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< Test Equipment & Tools Measurement & Analysis Instruments(102) Professional Tools(4) Power & Electrical Tools(3) Electronic Components(1)

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KKmoon(1) LONGER(1) ATOMSTACK(3)

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57%OFF

4-Gas Monitor Meter Tester Analyzer Portable Gas Detector CO Monitor Digital Toxic Gas Detector

US$108.29
US$246.69

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(169)

SKU:H37545
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3.5 Inch IPS LCD Monitor Display Computers Monitor CPU GPU Monitoring Sub-Screen Support Raspberry Pi Wins Linux System

US$33.99

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(523)

SKU:E22461-1
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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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(377)

SKU:E24481
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22%OFF

Tuya Wifi Intelligent Power Socket Electricity Power Monitor Multi-energy Monitoring Meter 2.4

US$28.99
US$36.99

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(591)

SKU:E22334EU
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34%OFF

Tuya WiFi On-off Controller 80A Energy Meter Current Transformer Clamp KWh Power Monitor Electricity Statistics Monitoring Device Compatible Alexa Google Home for Voice Control

US$22.48
US$33.59

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(309)

SKU:E24412-1
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5 in 1 Air Quality Monitor Indoor CO2 Detector Formaldehyde HCHO TVOC Tester LCD Temperature Humidity Tester

US$35.58

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(207)

SKU:E20307B
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38%OFF

Multifunctional Barometer Altimeter Thermometer with Backlight Display Digital Altitude Monitor Weather Forecast Pedometer for Climbing Camping Sports

US$16.99
US$26.99

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(357)

SKU:E25791
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35%OFF

SMART SENSOR Ammonia Detector Ammonia Gas Meter Digital Portable Automotive Ammonia Gas Tester Monitor NH3 Detector

US$189.99
US$288.69

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(390)

SKU:E5623
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40%OFF

Multifunctional Nuclear Radiation Detector Geiger Counter Radiation Detection Device X γ β Rays Real Time Monitoring

US$49.99
US$82.99

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(5)
(879)

SKU:E22621
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52%OFF

SMART SENSOR 4 in 1 Gas Detector H₂S and CO Monitor Industrial Digital Handheld Toxic Gas Carbon Monoxide Detector

US$105.99
US$219.99

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(10)
(643)

SKU:E5806
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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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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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60%OFF

Electromagnetic Field EMF Gauss Meter Radiation Detector Portable EMF Magnetic Field Monitor 5 LED Gauss Meter

US$15.49
US$38.43

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(28)
(363)

SKU:E13436GY
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Portable Bad Breath Detector Oral Hygiene Condition Tester Mouth Internal Odor Monitor Tools

US$27.03

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(5)
(236)

SKU:E9142
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KKmoon DC 6~80V Voltage Monitoring Relay Time Delay Relay Charging Discharge Controller Module

US$21.89

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(275)

SKU:E16771
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40%OFF

Tuya WiFi 5in1 Water Quality Online Monitor PH Total Dissolved Solids S.G EC Temperature Test Meter

US$44.48
US$73.99

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(328)

SKU:E24736EU
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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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150W 20A Adjustable Constant Current Electronic Load 2.4inch TFT Color Display 4 Working Modes USB Lithium Battery Capacity Monitor Tester Discharge Meter

US$59.99

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(434)

SKU:E23159
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Meter Real-time Forecast Monitor Support Alarm Clock Date and Time

US$69.99

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(144)

SKU:E26448-1
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3.5 Inch IPS Display Screen Secondary Screen Mini Monitor Horizontal Vertical Screen Switching 360

US$33.47

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(153)

SKU:E21529
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37%OFF

Monitor with Outdoor Sensor Weather Thermometer Forecast Station with Clock / Adjustable Backlight / Forecast / Data / Air Pressure and Alarm Alert

US$28.99
US$45.99

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(259)

SKU:H47577W-EU
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17%OFF

CO2 Monitor & Controller CO2 Concentration Tester Controller 0~9999ppm Measuring Range with Human & Plant Mode High Sensitive Wall-mounted Carbon Dioxide Air Quality Monitor Detection Controller Relay for Cultivation Breeding Greenhouse

US$179.99
US$215.58

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(462)

SKU:E23118EU
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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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(278)

SKU:E25039EU
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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)
(370)

SKU:LME00003W
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K2 Electromagnetic Field EMF Gauss Meter Radiation Detector Portable EMF Magnetic-Field Monitor 5 LED Gauss Meter

US$36.99

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(285)

SKU:E15137B
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29%OFF

Hygrothermograph Intelligent AirQuality Analyzer Household AirPollution Monitor

US$30.88
US$42.99

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(354)

SKU:E25930B
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42%OFF

Portable Battery Capacity Indicator Compact Size Lithium Battery Level Tester Battery Voltage Meter Battery Volt Monitor Detector

US$6.99
US$11.99

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(1)
(442)

SKU:E23019-2
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32%OFF

Tuya WiFi Energy Meter 80A Current Transformer Clamp KWh Power Monitor Compatible Alexa Google Home for Voice Control

US$22.49
US$32.99

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(1)
(517)

SKU:E23824
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31%OFF

Monitor Alarm Clock with Snooze Thermohygrometer with Weather Forecast/ Pressure/ Backlight/ Date/ Week/ Alarm Function for Home Office Greenhouse Warehouse

US$48.99
US$69.99

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(127)

SKU:E21670
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31%OFF

Tuya WiFi Air Quality Meter 13-in-1 Indoor Air Quality Monitor Detects CO₂ TVOC HCHO PM2.5 PM1.0

US$33.99
US$48.99

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(295)

SKU:E25112B
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38%OFF

2.4GHz WiFi Air Quality Monitor 8-in-1 CO2/CO/PM2.5/PM1.0/TVOC/Pollen/Temperature and Humidity

US$105.99
US$168.99

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(301)

SKU:H47550W-EU
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38%OFF

5V 9V 12 V Router Opticalcat Switch Access Control Camera Cellphone Monitoring Backup

US$39.99
US$63.99

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(266)

SKU:E25143
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43%OFF

Tuya WiFi Intelligent Automatic Reclosing Protector Multifunctional Current Voltage Monitoring

US$22.99
US$39.99

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(410)

SKU:E24268
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44%OFF

Quality Monitor PH/EC/TDS/SALT/S.G/CF/ORP/Temperature Multiparameter Water Quality Tester

US$73.99
US$129.99

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(1)
(579)

SKU:E22926EU
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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

US$26.99
US$33.99

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(364)

SKU:LME00013B
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Display Battery Voltage Meter Battery Volt Monitor Detector

US$11.99

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(442)

SKU:E23020B
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34%OFF

New Professional 3 in 1 Multi-parameter Water Quality Tester Monitor Portable Pen Type pH & EC & TEMP Meter Acidometer Water Quality Analysis Device

US$19.99
US$29.99

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(447)

SKU:E22848
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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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(460)

SKU:E22910
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41%OFF

NEO Smart Water Valve APP Remote Control Water Consumption Monitoring Water Pressure Flow Water

US$299.99
US$499.99

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(106)

SKU:E26408EU
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22%OFF

14-in-1 Indoor Air Quality Monitor Tuya WiFi Air Quality Detector Detects CO₂ CO TVOC HCHO

US$44.99
US$56.99

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(278)

SKU:E25113B
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BSIDE S20 Intelligent EMF Multimeter Electromagnetic Radiation Detector

US$44.66

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(211)

SKU:E18837
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ATOMSTACK A70 Max Laser Engraver 77W COS Blue Light Laser Power with F60 Air Assist Set

US$1999.00

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(195)

SKU:RTOYZZZ-A70M-EU
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37%OFF

LONGER Lightburn Camera High 5MP Positioning and Recording 740x560mm Photography Range

US$95.99
US$149.99

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(218)

SKU:RTOCL-5MPC-EU
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35%OFF

6 in 1 Air Quality Monitor 5-inch LCD Display BT Tuya APP Control CO2 Detector with 128MB Secure Digital Memory Card

US$66.99
US$102.99

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(286)

SKU:H47555W
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34%OFF

3.5 Inch IPS Monitor Display Computers Monitor CPU GPU Monitoring Sub-Screen ABS Housing Support DIY Theme Editing Free Software Upgrade

US$24.58
US$36.99

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(398)

SKU:E24127B
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29%OFF

D52-2066 6-in-1 Digital Single Phase Energy Meter Tester Din Rail AC Monitor Voltage Current Power Factor Active KWH AC 250V~450V 100A Electricity Usage Monitor

US$14.99
US$20.99

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(222)

SKU:ET26170-2
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22%OFF

9 in 1 Air Quality Monitor CO2 Detector CO TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection

US$35.99
US$45.99

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(538)

SKU:E23638W
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43%OFF

3-in-1 Multifunctional Air Quality Detector Temperature Humidity Monitor Indoor/Outdoor O2 Tester

US$72.99
US$125.99

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(315)

SKU:E24560
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Indoor Electronic Hygrometer & Thermometer Digital Temperature Humidity Meter Wireless Sensor Temp. & Humidity Monitor with Trend Backlight

US$22.99

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(122)

SKU:E21672
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67%OFF

Carbon Dioxide Detector Air Quality Monitor Meter with Data Logging Clock Function

US$28.99
US$86.55

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(184)

SKU:E11830
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34%OFF

AC 80-300V LCD Digital Voltmeter Plug-Type Volt Gauge Meter 110V 220V Voltage Measuring Monitor Panel

US$7.99
US$11.99

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(446)

SKU:E22925US
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40%OFF

Tuya WiFi FishTank Water Quality Tester High Accurancy Home Use Water Quality Testing Machine Water Monitor Analyzer for Aquariums Pool Hydroponics

US$72.99
US$119.99

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(349)

SKU:E23071EU
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32%OFF

Tuya ZigBee Temperature Humidity Sensors Indoor Detector APP Real-time Monitoring Intelligent

US$12.99
US$18.89

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(254)

SKU:E20578
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32%OFF

Tuya WiFi 5in1 Water Quality Online Monitor PH Total Dissolved Solids S.G Salinity Temperature Test

US$47.99
US$69.99

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(317)

SKU:E24735EU
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40%OFF

7in1 Water Quality Monitor Chlorine PH Total Dissolved Solids SALT ORP FAC EC Temperature Tester for Drinking Water Aquarium Aquaculture Swimming Pool

US$41.58
US$68.99

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(318)

SKU:E24737
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Mini Professional Online pH Meter Water Quality Tester Waterproof Water Quality Monitor Water

US$35.99

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(40)
(466)

SKU:E1595EU
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Thermometer Humidity Meter Comfortable Level Temperature Humidity Monitor with 3 Transmitters for Home Office Greenhouse Warehouse

US$56.99

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(120)

SKU:E21669
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-function Water Quality Monitor Multi-parameter Water Quality Tester

US$48.99

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(252)

SKU:E5102
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LCD Weather Station Alarm Clock with Snooze Digital Indoor Outdoor Temperature Humidity Monitor

US$39.99

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(144)

SKU:E20482
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21%OFF

Wireless Ultrasonic Water Level Monitor Tank Liquid Level High/Low Alarm Solar Powered Water Level Sensor Water Level Indicator Gauge IP65 Waterproof

US$79.99
US$99.99

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(271)

SKU:E26208
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