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< Test Equipment & Tools Measurement & Analysis Instruments(35) Electronic Components(2) Power & Electrical Tools(1) Professional Tools(1)

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0.01 ~ 20.00(39)

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10A 220V Digital Temperature Controller Thermocouple -40℃ to 120℃ with Alarm Function

US$19.99

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(49)
(522)

SKU:H9439
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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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(299)

SKU:E25222
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38%OFF

Electronic Ice Bath Thermometer Waterproof Time Timer with Automatic Timer Temperature Setting ℃/℉ Switching Beep Alarm Functions for Swimming Pool

US$9.99
US$15.99

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(361)

SKU:E25944
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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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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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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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(274)

SKU:E26258EU
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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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31%OFF

with Time Display Comfort Indicator Support Alarm Clock Function and ℃/℉ Switching for Home Office Baby Room Greenhouse

US$8.99
US$12.99

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(263)

SKU:E26275-1
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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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(342)

SKU:H47620W-1
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AC Voltage Measuring Pen Live/ Neutral Wire Ambient Temperature Tester with LCD Display/ Flashlight/ Alarm Buzzer

US$17.10

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(132)

SKU:E19990
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38%OFF

Professional Digital Chess Clock Count Down Chess Timer with Alarm Electronic Board Game Bonus Competition Master Tournament

US$19.99
US$31.99

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(167)

SKU:E14743
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34%OFF

Distance Measuring Loose Parts Distance Measuring Instrument Based On 51 Microcontroller Designed Reversing Radars Alarm DIY Electronic Soldering Kit

US$11.25
US$16.88

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(485)

SKU:E25589-1
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44%OFF

Tuya Wifi Gases Leakage Detection Device Live Voice Prompt APP Remote Alarm with Concentration Display USB Power Supplys High Decible Alarm

US$16.99
US$29.99

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(415)

SKU:E23479
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22%OFF

Concentration Analyzer Meter with Temperature Test and Sound Light Alarm Function

US$19.99
US$25.48

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(335)

SKU:E24538
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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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(390)

SKU:E23826
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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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(407)

SKU:E25818
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DS3231 High Accuracy DIY Digital Dot Matrix LED Alarm Clock Kit with Transparent Case Temperature Date Time Display

US$19.89

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(2)
(368)

SKU:E3937BL
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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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(511)

SKU:E25427
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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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(315)

SKU:E24705B
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LCD Digital Alarm Clock Timer Large Time Manual Countdown for Cooking Shower Study Stopwatch Kitchen Magnetic Electronic Clock

US$15.99

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(454)

SKU:E22782W
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45%OFF

Projection Alarm Clock for Bedroom with Thermometer Hygrometer Digital Project Ceiling Clock Dimmable LED Display with USB Charger 180°Rotable with Dual Alarms 12/24H Snooze

US$14.99
US$27.20

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(5)
(309)

SKU:E13741S
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Alarm, Zero/ Live Wire Recognition, Break Point Detection, Battery Level Check

US$9.99

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(127)

SKU:E21138
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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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(448)

SKU:E15997BL
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39%OFF

Concentration Test Meter Gases Sniffer Test with Sound Light Alarm Function

US$15.99
US$25.99

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(333)

SKU:E26035
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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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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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(448)

SKU:E22843
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34%OFF

with Low Battery Alarm Function Needs to Be Required with Gateways

US$19.99
US$29.99

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(300)

SKU:E26269
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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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(441)

SKU:E25657
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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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(274)

SKU:E25168B
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33%OFF

BBQ Grill Thermometer Food Thermometer 0~250°C Food Cooking Thermometer with Alarm Timer Function

US$9.99
US$14.85

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(2)
(346)

SKU:E8989
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Mobilephone APP Control Global Real-time Positioning Device with Wheelpath Playback Geofence and Alarm Functions

US$16.99

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(411)

SKU:E25789
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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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(410)

SKU:E24157
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37%OFF

Forecast Station Clock Atomic Alarm Clock with Colorful Touchscreen Adjustable Backlight

US$18.99
US$29.99

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(482)

SKU:H45927
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39%OFF

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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(367)

SKU:E25945
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30%OFF

Car Under Hood Animal Repeller Rodent Rat Repellent Mice Repeller Deterrent Device with LED Strobe Light Alarm Sound for Car Trunk RV Indoor Warehouse

US$16.99
US$23.99

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(446)

SKU:E22915
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Thermometer Hygrometer Calendar Temperature Trend Alarm Comfort Level Weather Forecast Vioce-activated Backlight with USB Cable

US$11.29

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(8)
(723)

SKU:E2183
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25%OFF

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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(615)

SKU:E22687
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45%OFF

Combustible Gases Detection Tool 4 Concentration Indicators with Sound and Light Alarm

US$15.99
US$28.99

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(484)

SKU:E22598
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38%OFF

Concentration Test Meter Gases Sniffer Test with Sound Light Alarm Function

US$14.99
US$23.99

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(316)

SKU:E26107
View details >>

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