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41%OFF

2.4 Inch Wireless Voltage Meter Ammeter Voltmeter Coulometer Battery Power Detector Battery Capacity Tester Real-time Battery Monitor

US$40.99
US$68.99

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(490)

SKU:E22497-1
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44%OFF

Geiger Counter Portable TFT Color Display Nuclear Radiation Detector Personal Dosimeter β-Rays X-Rays γ-Rays Tester

US$38.99
US$68.71

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(311)

SKU:K22216B
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45%OFF

Wired Dual-tech Infrared Motion and Microwave Detector Wall Mounted PIR Motion Sensor Pet Immunity for Home Burglar Security Alarm System

US$13.87
US$24.93

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(222)

SKU:S4066
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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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Triode Tester Digital Transistor Integrated Circuit Chips Detector

US$108.99

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(533)

SKU:E22309-1
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34%OFF

Smart Smoke Detector Fire Alarms 360 Degree Detection High Sensitivity Sensing 433 Wireless Transmission Fire Alarm Auto Check

US$15.99
US$23.99

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(287)

SKU:S6895
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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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(296)

SKU:E24898-1
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34%OFF

QDB-3A Drive Automobile Ignition Coil Tester Injector Solenoid Valves Idling Stepper Motor Instrument Car Fault Detector

US$58.99
US$88.99

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(437)

SKU:E25706
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34%OFF

Money Counter Machine Counterfeit Bill Detector with UV MG IR Detection Automatic Money Detection Fast Counting Speed Cash Counting Machine

US$79.99
US$119.99

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(174)

SKU:OS7358EU
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42%OFF

Zigbee Smart Door Sensor Tuya APP Control Door Open / Closed Detector Magnetic Switch Window Sensor Smart Home Security Alarm

US$13.99
US$23.96

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(230)

SKU:S6195
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42%OFF

A-weighted Noise Detector 30-130dB Mini Decibel Monitoring Device High Accuracy Sound Level Meter Digital Display with Backlight

US$13.99
US$23.99

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(472)

SKU:E22808
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58%OFF

Tuya WiFi Solar Powered Wireless Infrared Motion Sensor Detector

US$29.99
US$69.99

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(408)

SKU:S6853
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Motorcycle Tire Pressure Monitor Detector Portable Tire Pressure Monitoring System

US$32.80

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(164)

SKU:K17409
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Household Air Quality Detector Multifunctional CO2 Tester with Carbon Dioxide PM2.5 TVOC HCHO Value

US$42.44

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(148)

SKU:E20304W
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ANENG Battery Tester with LCD Power Index Display for C D N AA AAA 9V 1.5V Button Battery Checker Household Batteries Power Detector

US$12.02

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(145)

SKU:E19741
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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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(381)

SKU:E22527
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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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(346)

SKU:E26029B
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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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(144)

SKU:E18989
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42%OFF

SMART SENSOR 4 in 1 Gas Monitor Rechargeable Portable Gas Detector H₂S O₂ CO and LEL Multi Gas

US$75.88
US$128.99

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(377)

SKU:E24481
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WIFI PIR Motion Sensor

US$28.99

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(196)

SKU:S5140
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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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37%OFF

Digital LED Display CO Detector Portable Carbon Monoxide Tester Multifunctional Temperature

US$22.88
US$35.99

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(484)

SKU:E25553
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42%OFF

Environmental Electrical Electromagnetic Detector 9 LED Gauss Meter

US$17.49
US$29.99

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(498)

SKU:E22482
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41%OFF

Capacitance Measurement Test Meter Temp Detector Multitester Digital Backlight Display Tester

US$23.99
US$39.99

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(393)

SKU:E23743-1
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Electric Circuit Polarity Voltage Detector Home School Office Laboratory Factory Safety Inspection

US$22.70

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(177)

SKU:E16521EU
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39%OFF

Battery Tester High-precise True Four-wire AC Lithium Lead-acid Lithium Battery Detector

US$38.49
US$62.99

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(1)
(349)

SKU:E24614-3
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45%OFF

O3 Ozone Detector Analyzer Portable Outdoor Indoor Air Quality Meter Multifunctional Air Quality

US$92.99
US$168.99

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(247)

SKU:E26289
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HABOTEST HT66 Mini Gas Detector Household Handheld Combustible Gas Detecting Gauge with Long Probe

US$28.21

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(113)

SKU:E21512
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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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(275)

SKU:E25352-1
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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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(147)

SKU:E22016
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ANENG VD802 Non-contact AC Voltage Detector Tester Meter 12V-1000v Pen Style Electric Indicator LED Outlet Voltage Dectetor Sensor Wit

US$9.99

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(1)
(483)

SKU:E7288B
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ANENG True RMS Digital Multimeter Clamp Meter DC/AC Voltage Detector AC Amp Meter with Ohm Capacitance NCV Continuity Diode Hertz Temperature Tester

US$25.99

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(181)

SKU:E14173B
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34%OFF

Tester LCD Color Screen Carbon Dioxide Detector with Time and Date Display Function

US$52.99
US$79.99

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(372)

SKU:E23883
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Wired PIR Motion Sensor Passive Infrared Detector

US$11.25

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(266)

SKU:S2191
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45%OFF

Portable Mini Money Counter Worldwide Currency Cash

US$55.40
US$99.59

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(233)

SKU:OS2359US
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WIFI Water Leak Sensor

US$26.99

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(204)

SKU:S5563
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HABOTESE Advanced RCD Electric Socket Tester

US$13.76

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(11)
(522)

SKU:E4652US
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44%OFF

Electromagnetic Field Radiation Detector Handheld EMF Detector Magnetic-Field Test Meter for Home Vacuum Cleaner Hair Dryer

US$11.99
US$21.12

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(354)

SKU:K23070B
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43%OFF

Multifunctional High Frequency EMP Generator Electromagnetic Pulse Generator Fingerprint Lock Detector LightBulb Detector

US$45.99
US$79.99

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(335)

SKU:E26017W-EU
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44%OFF

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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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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(301)

SKU:H47550W-EU
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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

US$28.99
US$43.99

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(549)

SKU:E22891B
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33%OFF

NOYAFA NF-826 Underground Cable Locator Wire Tracking Detector Wall and Underground Pipeline Wire Detector Fuse Switch Short Circuit Breaker Fault Finder/Rechargeable Underground Wire Detector

US$139.99
US$205.99

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(419)

SKU:E25799
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31%OFF

Smoke Detector and Carbon Monoxide Detector 2 Packs 2 in 1 CO and Smoke Detectors Battery Powered

US$26.99
US$38.99

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(267)

SKU:H47623W-1
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31%OFF

4 in 1 Gas Detector CO Monitor Digital Handheld Toxic Gas Carbon Monoxide Detector Hydrogen Sulfide

US$94.99
US$136.99

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(4)
(403)

SKU:E6430C-EU
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43%OFF

Door and Window Detector Alarm Infrared Detector for House Apartment Alarm System

US$45.99
US$79.99

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(264)

SKU:S6915
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Underground Metal Detector Metal Finder Gold Detector Treasure Hunter Gold Digger Portable Metal

US$99.99

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(405)

SKU:E10321-3
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38%OFF

WIFI Combustible Gas Detector Digital Gas Leak Tester Intelligent Air Quality Detector with Sound

US$21.29
US$33.98

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(489)

SKU:E23078-2
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35%OFF

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

US$42.99
US$65.99

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(272)

SKU:H47622W-2
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21%OFF

/EC/Sunlight Intensity/Fertility/Temperature/Moisture Detector Garden Planting Soil Detector

US$47.99
US$59.99

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(268)

SKU:E26184
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47%OFF

ANENG AC11 Socket Tester Electric Leakage Detector LCD Display

US$13.49
US$24.99

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(284)

SKU:E13036EU
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41%OFF

eWeLink PIR Wireless PIR Motion Sensor

US$10.99
US$18.39

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(169)

SKU:S5218
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38%OFF

Handheld Portable Electromagnetic Radiation Detector Household Laboratory Hospital Multi-function Temperature Humidity Tester Digital Color Display Radioactive Detector

US$19.99
US$31.99

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(431)

SKU:E23096
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34%OFF

LCD Backlight Display Digital Wall Metal Detector Handheld Multifunctional Wood Stud Finder Wall Scanner

US$15.99
US$23.99

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(360)

SKU:E24068S
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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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(376)

SKU:E23606
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58%OFF

NF-521 Thermal Imager Portable Infrared Camera Digital Display Heating Detector Handheld Temperature Imaging Imager

US$155.99
US$365.99

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(250)

SKU:E17674
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Car Paint Tester Coating Thickness Gauge with Digital LCD Backlight Display Coating Depth Detector Measuring Paint Depth

US$34.62

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(159)

SKU:K19305B-H
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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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(356)

SKU:E24081B
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34%OFF

Household Smart Gas Detector WiFi Gas Leak Alarm Gas Leakage Detecting Sensor

US$19.99
US$29.99

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(330)

SKU:S6872
View details >>
Solar Tire Pressure Monitor System Automobile Tire Pressure Alarm Clock Tire Pressure Detector(Internal Sensors Set)

US$61.33

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(163)

SKU:K17581-1
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