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< Test Equipment & Tools Measurement & Analysis Instruments(73)

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CN(73)

Brand

KKmoon(1) AQara(1)

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On Sale(58) 24 Hours Shipping(58)

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0.01 ~ 20.00(24) 20.01 ~ 50.00(34) 50.01 ~ 100.00(13) More than 100.00(2)

Test Equipment & Tools
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alarm detector
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57%OFF

4-Gas Monitor Meter Tester Analyzer Portable Gas Detector CO Monitor Digital Toxic Gas Detector Rechargeable LCD Display Sound Light Vibration Alarm Air Quality Tester

US$108.29
US$246.69

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(169)

SKU:H37545
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40%OFF

2 Packs Carbon Monoxide Detectors Battery Operated CO Alarm Detector Monitor with LCD Digital

US$19.99
US$32.99

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(341)

SKU:H47620W-1
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35%OFF

Smoke Alarm Detector for Kitchen Bathroom Bedroom Coal Stove 3 Packs - 2 AA Battery Not IncludedSmoke and Carbon Monoxide Detector Combo with Sound Warning and LCD Display Battery Powered CO

US$42.99
US$65.99

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(271)

SKU:H47622W-2
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38%OFF

Smoke and Carbon Monoxide Alarm LCD Display CO Detector Smoke Alarm Voice Alert Combination Smoke and CO Alarm Battery Powered

US$20.49
US$32.99

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(143)

SKU:E22028
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44%OFF

Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Sensor

US$41.99
US$73.99

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(642)

SKU:PAA5028
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40%OFF

Gas Leak Detector WiFi Home Gas Alarm Tuya APP Monitor Mini Gas Detector for Home Kitchen Bathrooms Warehouses Color LCD Screen Kitchen Natural Propane Gas Detector

US$20.58
US$33.99

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(374)

SKU:HS6968
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Counter β Y X-ray Detection Sound Vibrations Light Triple Alarm Practical Nuclear Radiation DetectorNR-750 Handheld Portable Nuclear Radiation Detector LCD Display Household Radioactive Tester Geiger

US$95.54

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(7)
(358)

SKU:E19368-1
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34%OFF

2-in-1 WiFi CO & Smoke Detector Intelligent Alarm Sensor for House Bedroom Living Room Factory Hotel

US$25.99
US$38.99

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(375)

SKU:E23606
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34%OFF

Detector with Voice Alarm and Electric Quantity Display Function

US$17.88
US$26.99

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(314)

SKU:E24705B
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HABOTEST Portable Gas Analyzer HT601B Household Gas Leak Detector Gases Detector PPM Meter Methane Concentration Alarm Instrument

US$78.99

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(137)

SKU:E19539-1
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38%OFF

Tuya Wifi Portable Electrochemical Sensor CO Tester LCD Screen Carbon Monoxide Detector with Sound Lihgt Alarm and Low Battery Reminder Function

US$18.88
US$29.99

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(298)

SKU:E25222
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31%OFF

HABOTEST HT609 Gas Leak Detector Combustible Gas Detector with LCD Display Audible and Visual Alarm Ambient Temperature and Humidity Methane Natural Gas Hydrogen Detector

US$24.99
US$35.99

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(490)

SKU:E22246
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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$34.99

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(200)

SKU:E18856-1
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26%OFF

Carbon Monoxide Detector Electrochemical Sensor Carbonic Oxide Detector Digital Display Sound and Light Alarm LED Indicator Light Functions

US$19.99
US$26.99

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(272)

SKU:E26258EU
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BRJ-502D Plug-in Digital Natural Gas Detector High Sensitive Home Gas Alarm Combustible Gas Leak Monitor for Home Kitchen

US$29.99

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(147)

SKU:E21380-EU
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31%OFF

/Humidity Detector Support Remote APP Control Alarm Function Compatible with Alexa Google Home for Home Office

US$20.99
US$29.99

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(274)

SKU:E25352-1
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50%OFF

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$94.99
US$188.99

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(1)
(204)

SKU:E10949EU
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44%OFF

14 in 1 Tuya WIFI Intelligent Air Quality Monitor Indoor CO2 Detector Support Remote APP Control Alarm Function for Home Office

US$36.99
US$65.99

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(1)
(369)

SKU:LME00003W
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38%OFF

Alcohol Tester Portable High Accuracy Breathalyzer Non-Contacting Breath Alcohol Detector USB Rechargeable Support Voice Alarm Function

US$16.99
US$26.99

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(405)

SKU:E25818
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Handheld Portable Pen Type Nuclear Radiation Detector Radioactive X Y β-Ray Detector Personals Dose Geiger Counter Sound Light Alarm Instantaneous Dose Rate Cumulative Average Dose Rate

US$68.99

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(1)
(527)

SKU:E22393
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35%OFF

Multifunctional Detector Home Office Radiation Tester Sound Light Alarm LCD Display with Backlight

US$18.99
US$28.99

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(146)

SKU:E22016
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44%OFF

Tuya Wifi Independent Photoelectric Sensor Smoke Detector Fire Protecting Sound Light Fire Alarm with Cellphone APP Remote Push Alert Function

US$14.15
US$24.99

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(509)

SKU:E25427
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31%OFF

Tester Portable Temperature Humidity Detector 2.8-inch TFT Display with Alarm Function

US$29.99
US$42.99

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(344)

SKU:E26029B
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Non-contact AC Voltage Tester Pen AC 70-250V DC 250V Portable NCV Detector with Sound Light Dual Alarm, Zero/ Live Wire Recognition, Break Point Detection, Battery Level Check

US$9.99

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(126)

SKU:E21138
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36%OFF

Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Analyzer Meter with Sound Light Alarm Function

US$18.48
US$28.49

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(295)

SKU:E24898-1
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31%OFF

Handheld EMF Tester Portable Electromagnetic Radiation Detector Electromagnetic Radiation Intensity Measurement Instrument with Beep Alarm and Low Battery Indication Functions

US$20.88
US$29.99

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(402)

SKU:E25775-1
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Digital LCD Microwave Leakage Detector with Backlight 2450MHz High Precision Portable Microwave Oven Leakage Tester Alarm Warning No Need Recalibration

US$39.99

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(119)

SKU:E21439
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36%OFF

Portable Electrochemical Sensor CO Tester 1.1inch LCD Screen Carbon Monoxide Detector with Sound Lihgt Alarm and Low Battery Reminder Function

US$14.88
US$22.99

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(273)

SKU:E25168B
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38%OFF

Tuya Wifi Smoke Detector Fire Protecting Sound Alarm Sensor Cellphone APP Remote Push Alert with Alarm Cancel Function

US$17.99
US$28.59

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(389)

SKU:E23826
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34%OFF

Handheld Carbon Monoxide Detector Portable Carbonic Oxide Concentration Testing Meter with Temperature Test and Sound Light Alarm Function

US$26.58
US$39.99

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(377)

SKU:E23760
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37%OFF

Handheld Digital Oxygen Detector Air Oxygen Concentration Alarm Value USB Rechargeable Portable O

US$79.99
US$125.99

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(261)

SKU:E25242GY
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LCD Display Electric Test Pen AC12-300V Voltage Tester Live/Zero Wire Detector Cable Breakpoint Finder with Flashlight and Sound Light Alarm Function

US$13.58

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(380)

SKU:E22527
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25%OFF

Tuya Zigbee Intelligent Wireless Smoke Detection Device 360 ° Induction Home Smoke Alert Detector Sound Light Alarm and Short Messaging Notification Low Battery Alert Mobilephone APP One-click Silencing

US$18.99
US$24.99

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(614)

SKU:E22687
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38%OFF

WIFI Combustible Gas Detector Digital Gas Leak Tester Intelligent Air Quality Detector with Sound Alarm APP Notification Pushing SmartLife Tuya APP Remote Control

US$21.29
US$33.98

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(488)

SKU:E23078-2
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Household Air Quality Detector Multifunctional CO2 Tester with Carbon Dioxide TVOC HCHO Value Electricity Quantity Temperature Humidity Display with Alarm Function

US$29.64

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(186)

SKU:E20241W
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34%OFF

Tuya ZigBee Intelligent Vibration Drop Sensor Detector Real Time Motion Vibration Alarm Sensor (Used with ZigBee 3.0 Gateways )

US$19.99
US$29.99

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(439)

SKU:E25657
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HABOTEST HT66 Mini Gas Detector Household Handheld Combustible Gas Detecting Gauge with Long Probe Gas Leak Monitor Tester PPM Meter Methane Concentration Alarm Instrument

US$28.21

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(113)

SKU:E21512
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38%OFF

Detector Electric Continuity Battery Test Pencil with Sound Light Alarm

US$9.99
US$15.99

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(447)

SKU:E15997BL
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43%OFF

WiFi Smart CO2 Detector Portable Air Quality Monitor CO2 Alarm Meter LCD Temperature Humidity

US$39.99
US$69.99

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(459)

SKU:E22910
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37%OFF

Handheld Combustible Gases Leak Detector Natural Gases Concentration Analyzer with Sound Light Alarm Function

US$14.49
US$22.99

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(355)

SKU:E24081B
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45%OFF

O3 Ozone Detector Analyzer Portable Outdoor Indoor Air Quality Meter Multifunctional Air Quality Monitor Temperature Humidity Gauge with Full Color LCD Screen Adjustable Alarm Threshold

US$92.99
US$168.99

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(245)

SKU:E26289
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MESTEK CGD02A Combustible Gas Detector High Precision Hand-held Gas Leak Tester Monitor VA Reverse Display Sound and Light Alarm 0-50000ppm

US$85.98

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(143)

SKU:E18989
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21%OFF

8 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection with Alarm Function for Home Office Car

US$26.99
US$33.99

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(363)

SKU:LME00013B
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35%OFF

9 in 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control with Alarm Function for Home Office Car

US$28.99
US$43.99

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(548)

SKU:E22891B
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38%OFF

Meter with Alarm Smart Tuya APP NDIR Sensor Portable RS485 Data Logger Indoor Air Quality Detector

US$105.99
US$168.99

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(300)

SKU:H47550W-EU
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42%OFF

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$75.88
US$128.99

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(376)

SKU:E24481
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44%OFF

Field Magnetics Field Radiation Test Data Hold Sound Light Alarm Magnetics Three Color Indicator Light Function Home Office Outdoor Mobilephone Computers Multi-function Electromagnetic Radiation Detector

US$25.99
US$45.99

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(1)
(202)

SKU:E20282
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34%OFF

Tuya ZigBee Soil Tester Intelligent Temperature and Humidity Detector Mobilephone Tuya APP Control with Low Battery Alarm Function Needs to Be Required with Gateways

US$19.99
US$29.99

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(298)

SKU:E26269
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Household Air Quality Detector Multifunctional CO2 Tester with Carbon Dioxide PM2.5 TVOC HCHO Value Electricity Quantity Temperature Humidity Display Backlit LCD Color Screen Self-calibration with Alarm Function

US$42.44

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(148)

SKU:E20304W
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Multifunctional Electromagnetic Radiation Detector Electric Field Intensity Tester Magnetic-field Intensity Test Meter Radio Frequency Strength Detection Device with Sound Alarm Function

US$35.99

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(517)

SKU:E22640B
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39%OFF

Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Test Meter Gases Sniffer Test with Sound Light Alarm Function

US$15.99
US$25.99

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(331)

SKU:E26035
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35%OFF

Tuya Wifi BT Two Connection Smoke Detector Temperature Humidity Measurement Device 80dB Sound Alarm

US$16.99
US$25.99

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(409)

SKU:E24157
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Hospital Multi-function Marble Radioactive Geiger Counter Digital Large Screen Nuclear Radiation Detector with Dose Alarm FunctionHandheld Portable 2in1 Nuclear Radiation Electromagnetic Radiation Detector Household Laboratory

US$82.99

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(463)

SKU:E22702
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Household Air Quality Detector Multifunctional T/H Sensors CO2 Tester LCD Display with Backlit Carbon Dioxide TVOC HCHO Value Temperature Humidity Detect Self-calibration with Alarm Function

US$39.99

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(118)

SKU:E21374
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36%OFF

NOYAFA Portable Formaldehyde Detector Indoor Air Quality Monitor HCHO and TVOC Monitor with Audible Alarm LED Indicator for Home HVAC System

US$12.99
US$19.99

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(447)

SKU:E22843
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40%OFF

PV1000-DW Smart WIFI Large 4-in-1 Carbon Dioxide Detector, Indoor Air Quality Monitor Portable CO2 Monitor, Tester for Time, Carbon Dioxide, Temperature & Humidity, CO2 Meter with Alarm, for Home, Car, Grow Tents, Travel

US$53.88
US$88.99

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(277)

SKU:E25039EU
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39%OFF

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$12.88
US$20.99

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(365)

SKU:E25945
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22%OFF

14-in-1 Indoor Air Quality Monitor Tuya WiFi Air Quality Detector Detects CO₂ CO TVOC HCHO Temperature and Humidity PM2.5 PM1.0 PM10 2.8inch TFT Color Display Support Cellphone APP Control with Time Date Alarm Timer and Stopwatch Timer Function

US$44.99
US$56.99

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(277)

SKU:E25113B
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37%OFF

Handheld Geiger Counter Nuclear Radiation Detector X Y β-Ray Detecting Tool with Sound Light Alarm Cumulative/Instantaneous/Average Dose Rate Measuring

US$40.99
US$64.99

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(526)

SKU:E22635
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59%OFF

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$64.99
US$155.99

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(151)

SKU:E12982
View details >>

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