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Environmental Measurement Instruments
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Temperature Humidity Tester Rechargeable CO2 Alarm Meter for Room Office Greenhouse Warehouse

US$53.57

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(4)

SKU:E20307B
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35 Quick view
Smoke Alarm Detector for Kitchen Bathroom Bedroom Coal Stove 3 Packs - 2 AA Battery Not Included

US$75.89
US$49.44

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(2)

SKU:H47622W-2
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45 Quick view
WiFi Smart CO2 Detector Portable Air Quality Monitor CO2 Alarm Meter LCD Temperature Humidity

US$80.49
US$44.84

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(0)

SKU:E22910
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31 Quick view
with Test Button Sound Warning and LCD Digital Display Portable Fire Co Alarm for Home Kitchen Office

US$44.84
US$31.04

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(1)

SKU:H47623W-1
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35 Quick view
PM10 Temperature Humidity Detection Support APP Control with Alarm Function for Home Office Car

US$50.59
US$33.34

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(1)

SKU:E22891B
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Digital Fridge Thermometer Digital Refrigerator Freezer Thermometer

US$20.57

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(0)

SKU:H34873
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38 Quick view
Smoke and Carbon Monoxide Alarm LCD Display CO Detector Smoke Alarm Voice Alert Combination Smoke and CO Alarm Battery Powered

US$37.94
US$23.56

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(1)

SKU:E22028
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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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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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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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Beech Wood Digital Clock Dual Alarm Snooze USB Alarm Clock Table Thermometer Electronic LED Wooden Desk Clock 4-Level Brightness for Living Room Office

US$34.49

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(0)

SKU:E21674
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Tuya WiFi Intelligent Smokes Alarm Household Fire Smokes Sensors Mobilephone APP Notification Warning Kitchen Bedroom Warehouse Office Real-time Smokes Sensors Alarm Compatible with Alexa

US$29.89

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(0)

SKU:E21713
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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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(0)

SKU:E25112B
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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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34 Quick view
2 Packs Carbon Monoxide Detectors Portable CO Alarm Detector Monitor with LCD Digital Display Sound and Light Alarm for House Kitchen Restaurant Hotel Office Battery Operated -Batteries NOT Included

US$34.49
US$22.99

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(1)

SKU:H48658-2
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32 Quick view
/PM10/Temperature/Humidity/Time/Date/Alarm Support Remote APP Control Alarm Function for Home Office (with 5 Subunits)

US$121.89
US$83.94

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(0)

SKU:E26084-5
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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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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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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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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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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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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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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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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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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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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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Thermostat Support Heating/Cooling/Temperature Correction/Delayed Start/High or Low Temperature Alarm

US$16.28

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(0)

SKU:E19080-1
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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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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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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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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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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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Sculpfun iCube 3W Laser Engraver with Smoke Filter Temperature Alarm

VIDEO

US$298.99

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(1)

(2)

SKU:OS7235EU
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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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30 Quick view
Humidity Rainfall Barometric Pressure Moon Phase Weather Forecast Display Alarm Clock

US$60.36
US$42.41

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(0)

SKU:E24607EU
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35 Quick view
Sound Light Alarm and Short Messaging Notification Low Battery Alert Mobilephone APP One-click Silencing

US$28.74
US$18.96

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(3)

SKU:E22687
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Intensity Test Meter Radio Frequency Strength Detection Device with Sound Alarm Function

US$41.39

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(0)

SKU:E22640B
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Electricity Quantity Temperature Humidity Display Backlit LCD Color Screen Self-calibration with Alarm Function

US$43.13

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(1)

SKU:E20304W
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