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Environmental Measurement Instruments
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35 Quick view
FanJu FJ3373 Multifunction Digital Weather Station LCD Alarm Clock

US$42.19
US$27.59

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(8)

SKU:E9338B
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38 Quick view
Tuya WiFi Decibel Meter 4 in1 Temperature Humidity Decibel Test Alarm Clock

US$97.74
US$60.94

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(0)

SKU:E23818
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LCD Electronic Temperature Humidity Meter Electronic High Precisions Temperature Hygrometer Alarm Clock

US$29.89

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(1)

SKU:E17789
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31 Quick view
PM10 Humidity and Temperature Time Date Alarm Timer and Stopwatch Timer with Alarm for Home Offices School Hotel

US$56.34
US$39.09

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SKU:E25112B
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DS3231 High Accuracy DIY Digital Dot Matrix LED Alarm Clock Kit with Transparent Case Temperature Date Time Display

US$27.24

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(5)

SKU:E3937BL
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34 Quick view
Handheld Carbon Monoxide Detector Portable Carbonic Oxide Concentration Testing Meter with Temperature Test and Sound Light Alarm Function

US$45.99
US$30.57

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(0)

SKU:E23760
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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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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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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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(0)

SKU:E10949EU
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31 Quick view
Time Display Comfort Indicator Support Alarm Clock Function and ℃/℉ Switching for Home Office Baby Room Greenhouse

US$14.94
US$10.34

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(0)

SKU:E26275-1
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34 Quick view
14 in 1 Tuya WIFI Intelligent Air Quality Monitor Indoor CO2 Detector Support Remote APP Control Alarm Function for Home Office

US$64.39
US$42.54

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(1)

SKU:LME00003W
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Geiger Counter Sound Light Alarm Instantaneous Dose Rate Cumulative Average Dose Rate

US$79.34

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(3)

SKU:E22393
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22 Quick view
Concentration Analyzer Meter with Temperature Test and Sound Light Alarm Function

US$29.3
US$22.99

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(1)

SKU:E24538
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34 Quick view
with Low Battery Alarm Function Needs to Be Required with Gateways

US$34.49
US$22.99

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(0)

SKU:E26269
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40 Quick view
Gas Leak Detector WiFi Home Gas Alarm Tuya APP Monitor Mini Gas Detector for Home Kitchen Bathrooms

US$39.09
US$23.67

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(1)

SKU:HS6968
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Device Multifunctional LED Alarm Clock with Calendar for Home Office Dormitory

US$33.34

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(5)

SKU:E12172S
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45 Quick view
Combustible Gases Detection Tool 4 Concentration Indicators with Sound and Light Alarm

US$33.34
US$18.39

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(0)

SKU:E22598
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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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37 Quick view
Forecast Station Clock Atomic Alarm Clock with Colorful Touchscreen Adjustable Backlight

US$34.49
US$21.84

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(0)

SKU:H45927
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39 Quick view
Light Alarm LED Indicator Lights with Fault Self-Test Low Battery Reminder Memory Functions

US$24.14
US$14.81

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(0)

SKU:E25945
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39 Quick view
HABOTEST HT609 Gas Leak Detector Combustible Gas Detector with LCD Display Audible and Visual Alarm

US$41.39
US$25.29

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(2)

SKU:E22246
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38 Quick view
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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39 Quick view
13 in 1 Tuya WIFI Intelligent Air Quality Monitor Indoor CO2 Detector

US$57.49
US$35.64

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(0)

SKU:LME00037B
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Wifi Gas Leak Detector Fire Alarm Wall Mounted Design APP Control Smart Wi-Fi Natura Gas/ LPG Tester with LCD Display (USB Type)

US$40.24

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(1)

SKU:E18856-1
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37 Quick view
Handheld Digital Oxygen Detector Air Oxygen Concentration Alarm Value USB Rechargeable Portable O

US$144.89
US$91.99

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(0)

SKU:E25242GY
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Digital Alarm Clock for Bedroom Electronic Clock with Wireless Charging for Phone Headset

US$49.85

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(1)

SKU:OS5964B
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35 Quick view
Tuya Wifi BT Two Connection Smoke Detector Temperature Humidity Measurement Device 80dB Sound Alarm

US$29.89
US$19.54

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(5)

SKU:E24157
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40 Quick view
Monitor, Tester for Time, Carbon Dioxide, Temperature & Humidity, CO2 Meter with Alarm, for Home, Car, Grow Tents, Travel

US$102.34
US$61.96

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(0)

SKU:E25039EU
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47 Quick view
LCD Rechargeable -4℉~752℉ Temperature Auto Tracking Tester with 8GB Memory Card, 8 Palettes, Temperature Alarm

US$424.34
US$225.39

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(3)

SKU:E22294
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37 Quick view
Field Magnetics Field Radiation Test Data Hold Sound Light Alarm Magnetics Three Color Indicator

US$41.39
US$26.44

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(2)

SKU:E20282
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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$49.44
US$33.34

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(1)

SKU:H47577W-EU
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30 Quick view
Tuya WiFi Temperature Humidity Light Detection Alarm Clock 4 In 1 Intelligent Sensors Home

US$33.34
US$23.56

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(0)

SKU:E21580
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33 Quick view
Tester TFT Display Multifunctional Time Temperature and Humidity Test Meter Versatile Time Clock Timer with Alarm Function

US$83.94
US$56.34

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(0)

SKU:E25932-B
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32 Quick view
Measurement Units N Kg Lb Oz Automatic Backlight Buzzer Alarm Function 1% Accuracy

US$75.89
US$51.61

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(0)

SKU:E25626-50
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8 Quick view
Sculpfun iCube Pro Max 10W Laser Engraver Portable Laser Engraving Machine

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US$458.85
US$425.49

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(6)

SKU:OS7342EU
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Sculpfun SF-A9 40W Laser Engraver with Automatic Air Assist 36000mm/min High Speed

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US$1493.85

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(4)

SKU:OSB0114EU
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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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(4)

SKU:PAA5028
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18 Quick view
Sculpfun iCube Pro 5W Laser Engraver with Smoke Filter Temperature Alarm

VIDEO

US$343.85
US$284.48

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(9)

SKU:OS7236EU
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41 Quick view
Combustible Gas Detector Gas Leak Tester Intelligent Air Quality Detector with Sound Alarm

US$34.49
US$20.69

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(0)

SKU:E23078-1
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LCD Weather Station Alarm Clock with Snooze Digital Indoor Outdoor Temperature Humidity Monitor Thermohygrometer with Backlight/ Date/ Week/ Moon Phase/ Comfort Level/ Alarm Function for Home Office Greenhouse Warehouse

US$45.99

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(2)

SKU:E20482
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