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Test Instruments & Tools
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alarm-sensor
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Wifi Smoke Detector Smart Fire Alarm Sensor

US$42.01

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(0)

SKU:S5145
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44 Quick view
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Sensor

US$76.21
US$43.25

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(4)

SKU:PAA5028
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41 Quick view
Aqara Water Leak Sensor Smart Wireless Flood Water Immersing Leakage Leak Detector Alarm Sensor- 10 Pack

US$278.09
US$164.79

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(0)

SKU:C-PAS0133W-10
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38 Quick view
Tuya Wifi Smoke Detector Fire Protecting Sound Alarm Sensor Cellphone APP Remote Push Alert with Alarm Cancel Function

US$29.45
US$18.53

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(2)

SKU:E23826
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34 Quick view
2-in-1 WiFi CO & Smoke Detector Intelligent Alarm Sensor for House Bedroom Living Room Factory Hotel

US$40.16
US$26.77

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(0)

SKU:E23606
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42 Quick view
Door Window Alarm Sensor Wireless Door Sensor Anti-Theft Alarm Compatible With Alarm Host for Smart Home Automation Security Alarm System

US$17.5
US$10.29

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(3)

SKU:S6610-1
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45 Quick view
Multifunctional Wireless Driveway Alarm IR Motion Sensor Alarm Doorbell 1 Receiver 2 Transmitters for Home Outdoor Use

US$48.02
US$26.77

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(0)

SKU:H44632
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53 Quick view
2Pcs Home Security Wireless Magnetic Sensor Door Window Alarm

US$41.19
US$19.56

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(1)

SKU:HS6926-2
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51 Quick view
Tuya WiFi PIR Motion Sensor Alarm 2.4GHz Wireless Human Body Infrared Detector 120° Wide-Angle Detection

US$21.62
US$10.8

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(3)

SKU:LME00022
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24 Quick view
Multifunctional Wireless Driveway Alarm Waterproof Outdoor Motion Sensor Alarm 1 Receiver 2

US$31.82
US$24.21

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(0)

SKU:H45368EU
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Tuya Wifi Natural Gas-Sensor Household Intelligent Combustible Gas-Alarm Detector Gas-Leakage Sensor Compatible with Amazon Alexa Google Assistant

US$41.19

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(1)

SKU:E15116
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Car TPMS Tire Pressure Monitoring System Solar Charging HD Digital LCD Display Auto Alarm System Wireless With 4 Sensor

US$52.41

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(7)

SKU:K13547
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58 Quick view
Tuya WiFi Solar Powered Wireless Infrared Motion Sensor Detector

US$72.09
US$30.89

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(2)

SKU:S6853
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41 Quick view
Wireless WiFi PIR Motion Sensor Infrared Security Alarm with Tuya App Control Smart Home Security System

US$20.59
US$12.35

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(0)

SKU:UU0112
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44 Quick view
SMART SENSOR ST8990 Multi Gas Monitor Rechargeable 4 in 1 O₂ LEL CO H₂S Gas Detector Tester Sensor with Backlight Alarm Function LCD Display

US$163.76
US$92.69

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(0)

SKU:E10949EU
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43 Quick view
High-precision Sound and Light Alarm IP54 Waterproof Temperature Humidity Sensor

US$102.99
US$59.73

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(0)

SKU:E26390
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35 Quick view
Wireless Ultrasonic Water Level Monitor Tank Liquid Level High/Low Alarm Solar Powered Water Level Sensor Water Level Indicator Gauge IP65 Waterproof

US$102.99
US$67.97

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(0)

SKU:E26208
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38 Quick view
Protections Alarm System App Remote Control Wireless Door Sensor Compatible with Alexa and Google AssistantTuya ZigBee Intelligent Window Door Gate Sensor Door/Window Opening Closing Detector Home Safety

US$20.59
US$12.86

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(1)

SKU:E25172
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51 Quick view
433MHz Wireless WIFI+GSM Auto Dial Alarm Security System LCD Display Door Sensor PIR Motion Sensor

US$133.89
US$65.91

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(4)

SKU:S6920
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44 Quick view
Tuya Wifi Independent Photoelectric Sensor Smoke Detector Fire Protecting Sound Light Fire Alarm with Cellphone APP Remote Push Alert Function

US$25.74
US$14.57

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(3)

SKU:E25427
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45 Quick view
433MHz Wireless WIFI + 4G Auto-dial Alarm Security System LCD Display Door Sensor PIR Motion Sensor Phone APP Remote Control

US$156.55
US$87.54

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(2)

SKU:PAA5461-EU
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34 Quick view
4in1 Air Quality Meter Household CO2 TVOC Tester Portable Temperature Humidity Detector NDIR Sensor Digital Display with Alarm Function

US$44.28
US$29.33

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(0)

SKU:E25979
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30 Quick view
Carbon Monoxide Detector Electrochemical Sensor Carbonic Oxide Detector Digital Display Sound and Light Alarm LED Indicator Light Functions

US$27.8
US$19.56

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(0)

SKU:E26258EU
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32 Quick view
3-in-1 Carbon Monoxide Detector 0-1000PPM Portable Mini Air Quality Monitor with Lanyard Alarm CO Gas Meter Temperature Humidity Sensor Built-in 800mAh Battery for Basement Trip Camp RV Car

US$29.86
US$20.59

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(1)

SKU:E25710
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42 Quick view
Zigbee Smart Door Sensor Tuya APP Control Door Open / Closed Detector Magnetic Switch Window Sensor Smart Home Security Alarm

US$24.68
US$14.41

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(2)

SKU:S6195
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31 Quick view
4 Pack Mini Door Window Alarm Home Security TY APP 2.4G WIFI Wireless Magnetic Sensor Anti-Theft Alarm Sound Easy Installation for Home Garage Apartment Door Alarm Security System Low Voltage Alarm

US$44.28
US$30.89

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(0)

SKU:HS7020-4
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433MHz Wireless WIFI + GSM Auto-dial Alarm Security System LCD Display Door Sensor PIR Motion Sensor Phone APP Remote Control Compatible with Alexa Google Home Voice Control Smart Home Burglar Security Alarm System

US$98.87

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(2)

SKU:S6055
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35 Quick view
Electrochemical Formaldehyde Sensor Air Quality Detector HCHO TVOC CO2 Tester High Precise Temperature Humidity Test Meter with Voice Alarm Function

US$29.86
US$19.56

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(0)

SKU:E26039B
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34 Quick view
Carbon Monoxide Smoke Detector Electrochemical Sensor Smoke Detector Digital Display Sound and Light Alarm LED Indicator Light Functions

US$30.89
US$20.59

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(0)

SKU:E26257
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39 Quick view
Electrochemical Sensor Carbon Monoxide Gases Leakage Detector Unit 3-digit LCD Display Sound and Light Alarm LED Indicator Lights with Fault Self-Test Low Battery Reminder Memory Functions

US$21.62
US$13.27

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(0)

SKU:E25945
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61 Quick view
Alarm Security System LCD Display Door Sensor PIR Motion Sensor Phone APP Remote Control Compatible with Alexa Voice ControlSmart Home Burglar Security Alarm System Tuya 433MHz Wireless WiFi + GSM + GPRS 3G SMS Auto-dial

US$136.6
US$54.58

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(5)

SKU:S6165
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38 Quick view
Meter with Alarm Smart Tuya APP NDIR Sensor Portable RS485 Data Logger Indoor Air Quality Detector

US$174.06
US$109.17

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(0)

SKU:H47550W-EU
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26 Quick view
Degree PIR Sensor Auto Motion Detection with Flash LEDs Voice Alarm Detachable Rod

US$41.19
US$30.89

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(0)

SKU:H48358
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28 Quick view
Sensor Auto Motion Detection with Flash LEDs Voice Alarm Detachable Rod

US$37.07
US$26.77

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(0)

SKU:H48357
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62 Quick view
Handheld Digital Oxygen Detector USB Rechargeable Automotive O2 Sensor Tester Monitor LCD Display Adjustable Alarm Auto Power Off Oxygen Meter for Car Tunnel Laboratory and Industry

US$160.67
US$61.79

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(0)

SKU:E12982
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38 Quick view
SMART SENSOR Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Analyzer Meter with Temperature Test and Sound Light Alarm Function

US$47.37
US$29.75

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(0)

SKU:E24350
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29 Quick view
3 Pack Multi-function Weather Station Alarm Clock Sunrise and Sunset Thermometer Hygrometer Touch Screen Operation with Wireless Outdoor Sensor

US$129.77
US$92.69

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(0)

SKU:C-E0362-3
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36 Quick view
Air Quality Monitor CO2 Detector 3 in 1 Accurate Tester for CO2 Temperature Humidity NDIR Sensor Carbon Dioxide Meter Concentration Tester with Alarm

US$53.08
US$33.98

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(0)

SKU:E19977
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30 Quick view
Wired Dual-tech Infrared Motion and Microwave Detector Wall Mounted PIR Motion Sensor Pet Immunity for Home Burglar Security Alarm System

US$18.41
US$12.96

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(2)

SKU:S4066
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GSM Remote Relay Switch Access Controller

US$78.58

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(1)

SKU:S5248-1
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