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Department

Gas Detectors Temperature & Humidity Instrument Soil Analysis Instrument Other

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on Sale(17) 24 Hours Shipping(14)

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

US$85.09
US$48.29

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SKU:PAA5028
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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$32.88
US$20.69

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(2)

SKU:E23826
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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$114.99
US$91.99

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(0)

SKU:E26208
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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$182.84
US$103.49

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SKU:E10949EU
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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$28.74
US$16.27

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(2)

SKU:E25427
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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$31.04
US$21.84

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(0)

SKU:E26258EU
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26 Quick view
Degree PIR Sensor Auto Motion Detection with Flash LEDs Voice Alarm Detachable Rod

US$45.99
US$34.49

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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$41.39
US$29.89

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SKU:H48357
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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$24.14
US$14.81

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SKU:E25945
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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$52.89
US$33.21

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(0)

SKU:E24350
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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$179.39
US$68.99

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SKU:E12982
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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$26.44
US$17.11

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(0)

SKU:E25168B
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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$34.49
US$21.71

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(0)

SKU:E25222
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Wi-Fi Temperature Humidity Meter Indoor Hygrometer Temperature Sensor Alarm Tuya APP Control 2.9

US$39.09

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(1)

SKU:E22349-1
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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$51.74
US$41.39

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SKU:E13413
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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$33.34
US$27.59

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(0)

SKU:E26039P
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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$42.54
US$28.74

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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$148.34
US$87.26

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(1)

SKU:E24481
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