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alarm-sensor
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44 Quick view
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Sensor

US$82.13
US$46.61

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(4)

SKU:PAA5028
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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$43.28
US$28.85

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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$18.86
US$11.09

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(3)

SKU:S6610-1
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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$31.73
US$19.97

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(2)

SKU:E23826
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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$23.3
US$11.64

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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$34.29
US$26.09

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(0)

SKU:H45368EU
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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$51.75
US$28.85

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SKU:H44632
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58 Quick view
Tuya WiFi Solar Powered Wireless Infrared Motion Sensor Detector

US$77.69
US$33.29

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(2)

SKU:S6853
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37 Quick view
Mini Door Window Alarm Home Security 433Mhz Wireless Magnetic Sensor Anti-Theft Alarm Sound Easy Installation for Home Garage Apartment Door Alarm Security System Low Voltage Alarm

US$27.74
US$17.75

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(0)

SKU:HS6976-4
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41 Quick view
Wireless WiFi PIR Motion Sensor Infrared Security Alarm with Tuya App Control Smart Home Security System

US$22.19
US$13.31

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SKU:UU0112
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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$168.71
US$94.34

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(2)

SKU:PAA5461-EU
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36 Quick view
2Pcs Home Security Wireless Magnetic Sensor Door Window Alarm

US$44.39
US$28.85

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(1)

SKU:HS6926-2
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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$26.6
US$15.53

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(2)

SKU:S6195
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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$106.55

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(2)

SKU:S6055
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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$47.72
US$33.29

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(0)

SKU:HS7020-4
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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$147.21
US$58.82

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(5)

SKU:S6165
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26 Quick view
Degree PIR Sensor Auto Motion Detection with Flash LEDs Voice Alarm Detachable Rod

US$44.39
US$33.29

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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$39.95
US$28.85

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SKU:H48357
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Wi-Fi Temperature Humidity Meter Indoor Hygrometer Temperature Sensor Alarm Tuya APP Control 2.9

US$37.73

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(1)

SKU:E22349-1
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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$19.84
US$13.96

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SKU:S4066
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23 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$57.2
US$44.39

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SKU:E19977
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36 Quick view
Portable Electrochemical Sensor CO Tester 1.1inch LCD Screen Carbon Monoxide Detector with Sound Lihgt Alarm and Low Battery Reminder Function

US$25.52
US$16.52

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(0)

SKU:E25168B
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51 Quick view
433MHz Wireless WIFI+GSM Auto Dial Alarm Security System LCD Display Door Sensor PIR Motion Sensor

US$144.29
US$71.03

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(4)

SKU:S6920
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41 Quick view
Smart Home Alarm System Wireless WiFi Alarm System TY APP Remote Control 8 Piece-kit Door Window Sensor PIR Motion Sensor Remote Control Supports 11 Different Languages for House Apartment Security

US$88.79
US$53.27

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(2)

SKU:HS7049
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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$176.48
US$99.89

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(0)

SKU:E10949EU
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21 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$110.99
US$88.79

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(0)

SKU:E26208
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38 Quick view
Meter with Alarm Smart Tuya APP NDIR Sensor Portable RS485 Data Logger Indoor Air Quality Detector

US$187.58
US$117.65

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(0)

SKU:H47550W-EU
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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$27.74
US$15.71

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(2)

SKU:E25427
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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$173.15
US$66.59

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SKU:E12982
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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$29.96
US$21.08

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(0)

SKU:E26258EU
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21 Quick view
Wireless Weather Station Indoor Outdoor Color Screen Weather Forecast Station with Outdoor Sensor Digital Temperature and Humidity Gauge with Alarm Clock Moon Phase Backlight Sooze Mode

US$49.94
US$39.95

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(0)

SKU:E13413
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Car Motorcycle Headup Display LED Digital GPS Speedometer

US$38.41

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(0)

SKU:K21149GR
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38 Quick view
Tuya Wifi Portable Electrochemical Sensor CO Tester LCD Screen Carbon Monoxide Detector with Sound Lihgt Alarm and Low Battery Reminder Function

US$33.29
US$20.96

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(0)

SKU:E25222
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18 Quick view
Electrochemical Formaldehyde Sensor Air Quality Detector HCHO TVOC CO2 Tester High Precise Temperature Humidity Test Meter with Voice Alarm Function

US$32.18
US$26.63

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(0)

SKU:E26039W
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Tuya WiFi Door Window Senor with PIR Motion Sensor Support APP Notifications Status Records Home Device Intelligence Linkage for Home Alarm System

US$20.52

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(0)

SKU:E25830
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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$23.3
US$14.3

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(0)

SKU:E25945
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33 Quick view
Monitor with Outdoor Sensor Weather Thermometer Forecast Station with Clock / Adjustable Backlight / Forecast / Data / Air Pressure and Alarm Alert

US$47.72
US$32.18

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(1)

SKU:H47577W-EU
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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$51.05
US$32.06

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(0)

SKU:E24350
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33 Quick view
Tuya ZigBee Soil Tester Temperature and Humidity Sensor IP66 Grade Waterproof Mobilephone Tuya APP Control Support View History Device Sharing with Low Battery Alarm Function Needs to Be Required with Gateways

US$41.06
US$27.74

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(1)

SKU:E25986
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42 Quick view
SMART SENSOR 4 in 1 Gas Monitor Rechargeable Portable Gas Detector H₂S O₂ CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Vibration Flash Alarm Mode

US$143.18
US$84.23

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(1)

SKU:E24481
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