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50% off
SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

$26.99$53.99

31% off
Burglary Prevention 120db Siren Home Security 5-12V DC Power Home Defense Alarm Indoor Security Device 49*50mm Burglary Prevention 120db Siren Home Security 5-12V DC Power Home Defense Alarm Indoor Security Device 49*50mm

Burglary Prevention 120db Siren Home Security 5-12V DC Power Home Defense Alarm Indoor Security Device 49*50mm

$8.45$12.25

35% off
31GJ Door Switches Normally Closed or Normally Open Switches For Burglar Alarm Systems for Home 31GJ Door Switches Normally Closed or Normally Open Switches For Burglar Alarm Systems for Home

31GJ Door Switches Normally Closed or Normally Open Switches For Burglar Alarm Systems for Home

$7.49$11.53

27% off
New Car Animal Repellent high-power Wind Ultrasonic Deer Mounted Alarm Sharp High Pitched double-sided Adhesive Tape Pasting New Car Animal Repellent high-power Wind Ultrasonic Deer Mounted Alarm Sharp High Pitched double-sided Adhesive Tape Pasting

New Car Animal Repellent high-power Wind Ultrasonic Deer Mounted Alarm Sharp High Pitched double-sided Adhesive Tape Pasting

$1.36$1.86

56% off
A5YD Pack Of 10 27mm Piezo Ceramic Buzzer Disc For Alarms And Timers Electronic Devices With High Sensitivity And Durability A5YD Pack Of 10 27mm Piezo Ceramic Buzzer Disc For Alarms And Timers Electronic Devices With High Sensitivity And Durability

A5YD Pack Of 10 27mm Piezo Ceramic Buzzer Disc For Alarms And Timers Electronic Devices With High Sensitivity And Durability

$4.66$10.59

33% off
And Ultrasonic Sensor 40KHz 16mm Transmitter Receiver Module For Smart Car Proximity Alarm System 5 or 10 Pieces 5/10Pcs And Ultrasonic Sensor 40KHz 16mm Transmitter Receiver Module For Smart Car Proximity Alarm System 5 or 10 Pieces 5/10Pcs

And Ultrasonic Sensor 40KHz 16mm Transmitter Receiver Module For Smart Car Proximity Alarm System 5 or 10 Pieces 5/10Pcs

$8.41$12.55

22% off
E15A Recessed Corded Security Window Contact Sensors Alarm Switches E15A Recessed Corded Security Window Contact Sensors Alarm Switches

E15A Recessed Corded Security Window Contact Sensors Alarm Switches

$9.76$12.51

30% off
1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V LED Screen Battery Charge Indicator Board 3S-14S Low Voltage Alarm 1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V LED Screen Battery Charge Indicator Board 3S-14S Low Voltage Alarm

1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V LED Screen Battery Charge Indicator Board 3S-14S Low Voltage Alarm

$11.08$15.83

2 sold
30% off
1Pcs DC 7-55V Battery Level Indicator 3S-14S 12V 24V 36V 48V Battery Charge Indicator Board Power-Off Memory Low Voltage Alarm 1Pcs DC 7-55V Battery Level Indicator 3S-14S 12V 24V 36V 48V Battery Charge Indicator Board Power-Off Memory Low Voltage Alarm

1Pcs DC 7-55V Battery Level Indicator 3S-14S 12V 24V 36V 48V Battery Charge Indicator Board Power-Off Memory Low Voltage Alarm

$11.21$16.02

Q2Q4 5Pieces Alarm System Resets Keys Quality Plastic Build for Shock Resistance Easy to Installs in Various Setting Q2Q4 5Pieces Alarm System Resets Keys Quality Plastic Build for Shock Resistance Easy to Installs in Various Setting

Q2Q4 5Pieces Alarm System Resets Keys Quality Plastic Build for Shock Resistance Easy to Installs in Various Setting

$11.01$11.01

38% off
Wired Indoor Siren for Alarm Systems with 120dB Sound Pressure and 5-12V DC Input Compatibility for Keypad-Based Security Setups Wired Indoor Siren for Alarm Systems with 120dB Sound Pressure and 5-12V DC Input Compatibility for Keypad-Based Security Setups

Wired Indoor Siren for Alarm Systems with 120dB Sound Pressure and 5-12V DC Input Compatibility for Keypad-Based Security Setups

$8.80$14.19

50% off
SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

$28.17$56.34

30% off
5PCS Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc 5PCS Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

5PCS Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$8.19$11.70

2 sold
30% off
5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc 5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$7.71$11.02

30% off
。5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

。5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$8.11$11.59

64% off
120dB High Decibel Burglar Alarm Siren Wired Speaker 512V for Home and Office Security Compatible with Keypad Console 120dB High Decibel Burglar Alarm Siren Wired Speaker 512V for Home and Office Security Compatible with Keypad Console

120dB High Decibel Burglar Alarm Siren Wired Speaker 512V for Home and Office Security Compatible with Keypad Console

$7.50$20.82

34% off
5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc 5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$8.20$12.42

1 sold
51% off
【TL】SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino Buzzer 【TL】SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino Buzzer

【TL】SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino Buzzer

$26.59$54.26

1 sold
30% off
Non-contact intelligent sound and light alarm induction test pen, zero live wire detection line breakpoint test pen Non-contact intelligent sound and light alarm induction test pen, zero live wire detection line breakpoint test pen

Non-contact intelligent sound and light alarm induction test pen, zero live wire detection line breakpoint test pen

$0.86$1.23

47% off
Electronic Buzzer Beep Alarm High-decibel 12V 24V 110V 220V Acoustic-optic alarm Indicator flashing light LZQ-3D Electronic Buzzer Beep Alarm High-decibel 12V 24V 110V 220V Acoustic-optic alarm Indicator flashing light LZQ-3D

Electronic Buzzer Beep Alarm High-decibel 12V 24V 110V 220V Acoustic-optic alarm Indicator flashing light LZQ-3D

$1.80$3.40

35% off
INA226 36V 16-Bit High Side/Low Side Measurement Dual Channel Current/Power Monitor Module with I2C Interface And Alarm Function INA226 36V 16-Bit High Side/Low Side Measurement Dual Channel Current/Power Monitor Module with I2C Interface And Alarm Function

INA226 36V 16-Bit High Side/Low Side Measurement Dual Channel Current/Power Monitor Module with I2C Interface And Alarm Function

$0.88$1.36

1pc Mini 3015 Alarm Sound DC 3-24V Electronic Buzzer Alarm Sound Beeper Constant Tone Mechanical buzzer 1pc Mini 3015 Alarm Sound DC 3-24V Electronic Buzzer Alarm Sound Beeper Constant Tone Mechanical buzzer

1pc Mini 3015 Alarm Sound DC 3-24V Electronic Buzzer Alarm Sound Beeper Constant Tone Mechanical buzzer

$16.44$16.44

7 sold
22% off
E15A Pack of 5 Emergency Glass Break Keys High Quality Plastic for Sturdy Safety Use in Alarm Systems Easy Installation E15A Pack of 5 Emergency Glass Break Keys High Quality Plastic for Sturdy Safety Use in Alarm Systems Easy Installation

E15A Pack of 5 Emergency Glass Break Keys High Quality Plastic for Sturdy Safety Use in Alarm Systems Easy Installation

$9.41$12.06

3 sold
50% off
SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

$28.46$56.92

30% off
1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V 3S-14S Battery Charge Indicator Board LED Screen Low Voltage Alarm 1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V 3S-14S Battery Charge Indicator Board LED Screen Low Voltage Alarm

1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V 3S-14S Battery Charge Indicator Board LED Screen Low Voltage Alarm

$11.30$16.15

40% off
5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc 5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$7.73$12.89

4 sold
51% off
Mini LED Light Key Anti-Loss Alarm Device Wireless Key Finder Flashing Beeping Remote Kids Key Bag Wallet Locators Keychain Mini LED Light Key Anti-Loss Alarm Device Wireless Key Finder Flashing Beeping Remote Kids Key Bag Wallet Locators Keychain

Mini LED Light Key Anti-Loss Alarm Device Wireless Key Finder Flashing Beeping Remote Kids Key Bag Wallet Locators Keychain

$31.72$64.73

9 sold
51% off
★▲10Pcs Easy Install Clamp On Fishing Bite Alarm Bells Rod Tip Bell Detector for Night River Fishing ★▲10Pcs Easy Install Clamp On Fishing Bite Alarm Bells Rod Tip Bell Detector for Night River Fishing

★▲10Pcs Easy Install Clamp On Fishing Bite Alarm Bells Rod Tip Bell Detector for Night River Fishing

$35.32$72.08

1 sold
61% off
[ZY]5Pcs For Interior Tool Key Reset Function Fire Safety Break Glass Switch Emergency Alarm Button Fast Response In Emergenc [ZY]5Pcs For Interior Tool Key Reset Function Fire Safety Break Glass Switch Emergency Alarm Button Fast Response In Emergenc

[ZY]5Pcs For Interior Tool Key Reset Function Fire Safety Break Glass Switch Emergency Alarm Button Fast Response In Emergenc

$25.95$66.54

3 sold
51% off
1pc Mini Electronic Alarm Buzzer 2315 Active Mechanical 3V 6V 9V 12V 85dB - Compact Size For Security And Alarm Systems 1pc Mini Electronic Alarm Buzzer 2315 Active Mechanical 3V 6V 9V 12V 85dB - Compact Size For Security And Alarm Systems

1pc Mini Electronic Alarm Buzzer 2315 Active Mechanical 3V 6V 9V 12V 85dB - Compact Size For Security And Alarm Systems

$26.53$54.14

1 sold
25% off
MC101 Catalytic Gas Sensor Detection Smoke Methane Liquefied Gas Sensor Module Gas Leak Alarm For Arduino MC101 Catalytic Gas Sensor Detection Smoke Methane Liquefied Gas Sensor Module Gas Leak Alarm For Arduino

MC101 Catalytic Gas Sensor Detection Smoke Methane Liquefied Gas Sensor Module Gas Leak Alarm For Arduino

$1.80$2.40

55% off
High Decibel Siren Wired Alarm Speaker Intrusion Detection Scare Off Burglars 5-12V DC Power For Keypad For Console High Decibel Siren Wired Alarm Speaker Intrusion Detection Scare Off Burglars 5-12V DC Power For Keypad For Console

High Decibel Siren Wired Alarm Speaker Intrusion Detection Scare Off Burglars 5-12V DC Power For Keypad For Console

$8.32$18.48

25% off
5Pcs 5v Active Buzzer Magnetic Long Continous Beep Tone Alarm Ringer 9.6*5mm Active Piezo Buzzers Fit For Computers Printers 5Pcs 5v Active Buzzer Magnetic Long Continous Beep Tone Alarm Ringer 9.6*5mm Active Piezo Buzzers Fit For Computers Printers

5Pcs 5v Active Buzzer Magnetic Long Continous Beep Tone Alarm Ringer 9.6*5mm Active Piezo Buzzers Fit For Computers Printers

$1.03$1.38

30% off
1Pcs DC 7-55V Battery Level Indicator 3S-14S LED Screen Battery Voltage Tester Power-Off Memory Low Voltage Alarm 1Pcs DC 7-55V Battery Level Indicator 3S-14S LED Screen Battery Voltage Tester Power-Off Memory Low Voltage Alarm

1Pcs DC 7-55V Battery Level Indicator 3S-14S LED Screen Battery Voltage Tester Power-Off Memory Low Voltage Alarm

$10.98$15.69

35% off
Set of 4 Plastic Covers for Smoke Detectors to Minimize Dust Interference on Fire Alarm Sensors in Commercial Spaces Set of 4 Plastic Covers for Smoke Detectors to Minimize Dust Interference on Fire Alarm Sensors in Commercial Spaces

Set of 4 Plastic Covers for Smoke Detectors to Minimize Dust Interference on Fire Alarm Sensors in Commercial Spaces

$5.97$9.19

2 sold
50% off
1Pcs DC 12V 85dB Alarm Buzzer Mini Electronic Alarm Buzzers Constant Tone Sound Beeper 1Pcs DC 12V 85dB Alarm Buzzer Mini Electronic Alarm Buzzers Constant Tone Sound Beeper

1Pcs DC 12V 85dB Alarm Buzzer Mini Electronic Alarm Buzzers Constant Tone Sound Beeper

$28.74$57.49

3 sold
50% off
SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

$26.99 $53.99

Categories: Tools, Tool Parts

Buy Now
31% off
Burglary Prevention 120db Siren Home Security 5-12V DC Power Home Defense Alarm Indoor Security Device 49*50mm Burglary Prevention 120db Siren Home Security 5-12V DC Power Home Defense Alarm Indoor Security Device 49*50mm

Burglary Prevention 120db Siren Home Security 5-12V DC Power Home Defense Alarm Indoor Security Device 49*50mm

$8.45 $12.25

Categories: Tools, Tool Parts

Buy Now
35% off
31GJ Door Switches Normally Closed or Normally Open Switches For Burglar Alarm Systems for Home 31GJ Door Switches Normally Closed or Normally Open Switches For Burglar Alarm Systems for Home

31GJ Door Switches Normally Closed or Normally Open Switches For Burglar Alarm Systems for Home

$7.49 $11.53

Categories: Tools, Tool Parts

Buy Now
27% off
New Car Animal Repellent high-power Wind Ultrasonic Deer Mounted Alarm Sharp High Pitched double-sided Adhesive Tape Pasting New Car Animal Repellent high-power Wind Ultrasonic Deer Mounted Alarm Sharp High Pitched double-sided Adhesive Tape Pasting

New Car Animal Repellent high-power Wind Ultrasonic Deer Mounted Alarm Sharp High Pitched double-sided Adhesive Tape Pasting

$1.36 $1.86

Categories: Tools, Tool Parts

Buy Now
56% off
A5YD Pack Of 10 27mm Piezo Ceramic Buzzer Disc For Alarms And Timers Electronic Devices With High Sensitivity And Durability A5YD Pack Of 10 27mm Piezo Ceramic Buzzer Disc For Alarms And Timers Electronic Devices With High Sensitivity And Durability

A5YD Pack Of 10 27mm Piezo Ceramic Buzzer Disc For Alarms And Timers Electronic Devices With High Sensitivity And Durability

$4.66 $10.59

Categories: Tools, Tool Parts

Buy Now
33% off
And Ultrasonic Sensor 40KHz 16mm Transmitter Receiver Module For Smart Car Proximity Alarm System 5 or 10 Pieces 5/10Pcs And Ultrasonic Sensor 40KHz 16mm Transmitter Receiver Module For Smart Car Proximity Alarm System 5 or 10 Pieces 5/10Pcs

And Ultrasonic Sensor 40KHz 16mm Transmitter Receiver Module For Smart Car Proximity Alarm System 5 or 10 Pieces 5/10Pcs

$8.41 $12.55

Categories: Tools, Tool Parts

Buy Now
22% off
E15A Recessed Corded Security Window Contact Sensors Alarm Switches E15A Recessed Corded Security Window Contact Sensors Alarm Switches

E15A Recessed Corded Security Window Contact Sensors Alarm Switches

$9.76 $12.51

Categories: Tools, Tool Parts

Buy Now
30% off
1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V LED Screen Battery Charge Indicator Board 3S-14S Low Voltage Alarm 1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V LED Screen Battery Charge Indicator Board 3S-14S Low Voltage Alarm

1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V LED Screen Battery Charge Indicator Board 3S-14S Low Voltage Alarm

$11.08 $15.83

2 sold

Categories: Tools, Tool Parts

Buy Now
30% off
1Pcs DC 7-55V Battery Level Indicator 3S-14S 12V 24V 36V 48V Battery Charge Indicator Board Power-Off Memory Low Voltage Alarm 1Pcs DC 7-55V Battery Level Indicator 3S-14S 12V 24V 36V 48V Battery Charge Indicator Board Power-Off Memory Low Voltage Alarm

1Pcs DC 7-55V Battery Level Indicator 3S-14S 12V 24V 36V 48V Battery Charge Indicator Board Power-Off Memory Low Voltage Alarm

$11.21 $16.02

Categories: Tools, Tool Parts

Buy Now
Q2Q4 5Pieces Alarm System Resets Keys Quality Plastic Build for Shock Resistance Easy to Installs in Various Setting Q2Q4 5Pieces Alarm System Resets Keys Quality Plastic Build for Shock Resistance Easy to Installs in Various Setting

Q2Q4 5Pieces Alarm System Resets Keys Quality Plastic Build for Shock Resistance Easy to Installs in Various Setting

$11.01 $11.01

Categories: Tools, Tool Parts

Buy Now
38% off
Wired Indoor Siren for Alarm Systems with 120dB Sound Pressure and 5-12V DC Input Compatibility for Keypad-Based Security Setups Wired Indoor Siren for Alarm Systems with 120dB Sound Pressure and 5-12V DC Input Compatibility for Keypad-Based Security Setups

Wired Indoor Siren for Alarm Systems with 120dB Sound Pressure and 5-12V DC Input Compatibility for Keypad-Based Security Setups

$8.80 $14.19

Categories: Tools, Tool Parts

Buy Now
50% off
SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

$28.17 $56.34

Categories: Tools, Tool Parts

Buy Now
30% off
5PCS Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc 5PCS Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

5PCS Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$8.19 $11.70

2 sold

Categories: Tools, Tool Parts

Buy Now
30% off
5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc 5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$7.71 $11.02

Categories: Tools, Tool Parts

Buy Now
30% off
。5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

。5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$8.11 $11.59

Categories: Tools, Tool Parts

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64% off
120dB High Decibel Burglar Alarm Siren Wired Speaker 512V for Home and Office Security Compatible with Keypad Console 120dB High Decibel Burglar Alarm Siren Wired Speaker 512V for Home and Office Security Compatible with Keypad Console

120dB High Decibel Burglar Alarm Siren Wired Speaker 512V for Home and Office Security Compatible with Keypad Console

$7.50 $20.82

Categories: Tools, Tool Parts

Buy Now
34% off
5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc 5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$8.20 $12.42

1 sold

Categories: Tools, Tool Parts

Buy Now
51% off
【TL】SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino Buzzer 【TL】SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino Buzzer

【TL】SFM-27 3-24V 12V 95DB Active buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino Buzzer

$26.59 $54.26

1 sold

Categories: Tools, Tool Parts

Buy Now
30% off
Non-contact intelligent sound and light alarm induction test pen, zero live wire detection line breakpoint test pen Non-contact intelligent sound and light alarm induction test pen, zero live wire detection line breakpoint test pen

Non-contact intelligent sound and light alarm induction test pen, zero live wire detection line breakpoint test pen

$0.86 $1.23

Categories: Tools, Tool Parts

Buy Now
47% off
Electronic Buzzer Beep Alarm High-decibel 12V 24V 110V 220V Acoustic-optic alarm Indicator flashing light LZQ-3D Electronic Buzzer Beep Alarm High-decibel 12V 24V 110V 220V Acoustic-optic alarm Indicator flashing light LZQ-3D

Electronic Buzzer Beep Alarm High-decibel 12V 24V 110V 220V Acoustic-optic alarm Indicator flashing light LZQ-3D

$1.80 $3.40

Categories: Tools, Tool Parts

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35% off
INA226 36V 16-Bit High Side/Low Side Measurement Dual Channel Current/Power Monitor Module with I2C Interface And Alarm Function INA226 36V 16-Bit High Side/Low Side Measurement Dual Channel Current/Power Monitor Module with I2C Interface And Alarm Function

INA226 36V 16-Bit High Side/Low Side Measurement Dual Channel Current/Power Monitor Module with I2C Interface And Alarm Function

$0.88 $1.36

Categories: Tools, Tool Parts

Buy Now
1pc Mini 3015 Alarm Sound DC 3-24V Electronic Buzzer Alarm Sound Beeper Constant Tone Mechanical buzzer 1pc Mini 3015 Alarm Sound DC 3-24V Electronic Buzzer Alarm Sound Beeper Constant Tone Mechanical buzzer

1pc Mini 3015 Alarm Sound DC 3-24V Electronic Buzzer Alarm Sound Beeper Constant Tone Mechanical buzzer

$16.44 $16.44

7 sold

Categories: Tools, Tool Parts

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22% off
E15A Pack of 5 Emergency Glass Break Keys High Quality Plastic for Sturdy Safety Use in Alarm Systems Easy Installation E15A Pack of 5 Emergency Glass Break Keys High Quality Plastic for Sturdy Safety Use in Alarm Systems Easy Installation

E15A Pack of 5 Emergency Glass Break Keys High Quality Plastic for Sturdy Safety Use in Alarm Systems Easy Installation

$9.41 $12.06

3 sold

Categories: Tools, Tool Parts

Buy Now
50% off
SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

SFM-27 3-24V 12V 95DB Active Buzzer High-decibel Electronic Buzzer Beep Alarm Intermittent / Continuous For Arduino DIY Buzzer

$28.46 $56.92

Categories: Tools, Tool Parts

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30% off
1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V 3S-14S Battery Charge Indicator Board LED Screen Low Voltage Alarm 1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V 3S-14S Battery Charge Indicator Board LED Screen Low Voltage Alarm

1Pcs DC 7-55V Battery Level Indicator 12V 24V 36V 48V 3S-14S Battery Charge Indicator Board LED Screen Low Voltage Alarm

$11.30 $16.15

Categories: Tools, Tool Parts

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40% off
5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc 5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

5Pcs Fire Safety Break Glass Switch Emergency Alarm Button For Interior Access Key Reset Function For Fast Response In Emergenc

$7.73 $12.89

4 sold

Categories: Tools, Tool Parts

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51% off
Mini LED Light Key Anti-Loss Alarm Device Wireless Key Finder Flashing Beeping Remote Kids Key Bag Wallet Locators Keychain Mini LED Light Key Anti-Loss Alarm Device Wireless Key Finder Flashing Beeping Remote Kids Key Bag Wallet Locators Keychain

Mini LED Light Key Anti-Loss Alarm Device Wireless Key Finder Flashing Beeping Remote Kids Key Bag Wallet Locators Keychain

$31.72 $64.73

9 sold

Categories: Tools, Tool Parts

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51% off
★▲10Pcs Easy Install Clamp On Fishing Bite Alarm Bells Rod Tip Bell Detector for Night River Fishing ★▲10Pcs Easy Install Clamp On Fishing Bite Alarm Bells Rod Tip Bell Detector for Night River Fishing

★▲10Pcs Easy Install Clamp On Fishing Bite Alarm Bells Rod Tip Bell Detector for Night River Fishing

$35.32 $72.08

1 sold

Categories: Tools, Tool Parts

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61% off
[ZY]5Pcs For Interior Tool Key Reset Function Fire Safety Break Glass Switch Emergency Alarm Button Fast Response In Emergenc [ZY]5Pcs For Interior Tool Key Reset Function Fire Safety Break Glass Switch Emergency Alarm Button Fast Response In Emergenc

[ZY]5Pcs For Interior Tool Key Reset Function Fire Safety Break Glass Switch Emergency Alarm Button Fast Response In Emergenc

$25.95 $66.54

3 sold

Categories: Tools, Tool Parts

Buy Now
51% off
1pc Mini Electronic Alarm Buzzer 2315 Active Mechanical 3V 6V 9V 12V 85dB - Compact Size For Security And Alarm Systems 1pc Mini Electronic Alarm Buzzer 2315 Active Mechanical 3V 6V 9V 12V 85dB - Compact Size For Security And Alarm Systems

1pc Mini Electronic Alarm Buzzer 2315 Active Mechanical 3V 6V 9V 12V 85dB - Compact Size For Security And Alarm Systems

$26.53 $54.14

1 sold

Categories: Tools, Tool Parts

Buy Now
25% off
MC101 Catalytic Gas Sensor Detection Smoke Methane Liquefied Gas Sensor Module Gas Leak Alarm For Arduino MC101 Catalytic Gas Sensor Detection Smoke Methane Liquefied Gas Sensor Module Gas Leak Alarm For Arduino

MC101 Catalytic Gas Sensor Detection Smoke Methane Liquefied Gas Sensor Module Gas Leak Alarm For Arduino

$1.80 $2.40

Categories: Tools, Tool Parts

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55% off
High Decibel Siren Wired Alarm Speaker Intrusion Detection Scare Off Burglars 5-12V DC Power For Keypad For Console High Decibel Siren Wired Alarm Speaker Intrusion Detection Scare Off Burglars 5-12V DC Power For Keypad For Console

High Decibel Siren Wired Alarm Speaker Intrusion Detection Scare Off Burglars 5-12V DC Power For Keypad For Console

$8.32 $18.48

Categories: Tools, Tool Parts

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25% off
5Pcs 5v Active Buzzer Magnetic Long Continous Beep Tone Alarm Ringer 9.6*5mm Active Piezo Buzzers Fit For Computers Printers 5Pcs 5v Active Buzzer Magnetic Long Continous Beep Tone Alarm Ringer 9.6*5mm Active Piezo Buzzers Fit For Computers Printers

5Pcs 5v Active Buzzer Magnetic Long Continous Beep Tone Alarm Ringer 9.6*5mm Active Piezo Buzzers Fit For Computers Printers

$1.03 $1.38

Categories: Tools, Tool Parts

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30% off
1Pcs DC 7-55V Battery Level Indicator 3S-14S LED Screen Battery Voltage Tester Power-Off Memory Low Voltage Alarm 1Pcs DC 7-55V Battery Level Indicator 3S-14S LED Screen Battery Voltage Tester Power-Off Memory Low Voltage Alarm

1Pcs DC 7-55V Battery Level Indicator 3S-14S LED Screen Battery Voltage Tester Power-Off Memory Low Voltage Alarm

$10.98 $15.69

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Set of 4 Plastic Covers for Smoke Detectors to Minimize Dust Interference on Fire Alarm Sensors in Commercial Spaces Set of 4 Plastic Covers for Smoke Detectors to Minimize Dust Interference on Fire Alarm Sensors in Commercial Spaces

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1Pcs DC 12V 85dB Alarm Buzzer Mini Electronic Alarm Buzzers Constant Tone Sound Beeper 1Pcs DC 12V 85dB Alarm Buzzer Mini Electronic Alarm Buzzers Constant Tone Sound Beeper

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Categories: Tools, Tool Parts

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