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Environmental Measurement Instruments
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21 Quick view
Sculpfun SF-A9 40W Laser Engraver Cutting Machine with Ultra-fine Laser Spot Adjustable 0.1mm/0.15mm Precise Positioning Automatic Air Assist

US$1664.99
US$1331.99

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SKU:RTOXY-SFA940W-EU
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Sculpfun iCube Pro Max 10W Laser Engraver Portable Laser Engraving Machine

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US$442.89
US$410.69

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(6)

SKU:OS7342EU
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18 Quick view
Sculpfun iCube Pro 5W Laser Engraver with Smoke Filter Temperature Alarm

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US$331.89
US$274.58

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(9)

SKU:OS7236EU
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35 Quick view
FanJu FJ3373 Multifunction Digital Weather Station LCD Alarm Clock

US$40.73
US$26.63

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(8)

SKU:E9338B
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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$38.84

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(1)

SKU:E18856-1
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38 Quick view
Tuya WiFi Decibel Meter 4 in1 Temperature Humidity Decibel Test Alarm Clock

US$94.34
US$58.82

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

US$28.85

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(1)

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

US$54.38
US$37.73

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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$26.3

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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$44.39
US$29.5

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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$29.96
US$21.08

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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$27.74
US$15.71

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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$176.48
US$99.89

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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$14.42
US$9.98

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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$62.15
US$41.06

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(1)

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

US$76.58

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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$28.28
US$22.19

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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$33.29
US$22.19

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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$37.73
US$22.84

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(1)

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

US$32.18

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(5)

SKU:E12172S
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38 Quick view
Combustible Gases Concentration Analyzer Meter with Temperature Test and Sound Light Alarm Function

US$51.05
US$32.06

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SKU:E24350
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45 Quick view
Combustible Gases Detection Tool 4 Concentration Indicators with Sound and Light Alarm

US$32.18
US$17.75

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SKU:E22598
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39 Quick view
HABOTEST HT609 Gas Leak Detector Combustible Gas Detector with LCD Display Audible and Visual Alarm

US$39.95
US$24.41

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(2)

SKU:E22246
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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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SKU:E26208
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37 Quick view
Forecast Station Clock Atomic Alarm Clock with Colorful Touchscreen Adjustable Backlight

US$33.29
US$21.08

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

US$23.3
US$14.3

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SKU:E25945
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41 Quick view
Combustible Gas Detector Gas Leak Tester Intelligent Air Quality Detector with Sound Alarm

US$33.29
US$19.97

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SKU:E23078-1
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39 Quick view
13 in 1 Tuya WIFI Intelligent Air Quality Monitor Indoor CO2 Detector

US$55.49
US$34.4

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SKU:LME00037B
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37 Quick view
Handheld Digital Oxygen Detector Air Oxygen Concentration Alarm Value USB Rechargeable Portable O

US$139.85
US$88.79

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

US$48.12

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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$28.85
US$18.86

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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$98.78
US$59.81

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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$409.58
US$217.55

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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$39.95
US$25.52

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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$47.72
US$32.18

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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$32.18
US$22.74

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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$81.02
US$54.38

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

US$73.25
US$49.82

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SKU:E25626-50
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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$44.39

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(2)

SKU:E20482
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