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Professional 6-in-1 Water Quality Monitor Tests pH, TDS, EC, Salinity, SG, Temperature Wi-Fi Smart Sensor with App & Data Logging for Aquarium, Fish Pond, Hydroponics

$196^.70

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FNIRSI GC-01 Geiger Counter Nuclear Radiation Detector,Curve Display | Handheld Rechargeable Beta Gamma X-ray Radiation Monitor Meter,5 Dosage Units,Radiation Dosimeter Nuclear Survival Kit

$152^.87

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A82 A86 7" 5 In 1 H.265 HD IP CCTV Tester Monitor AHD CVI TVI CVBS Camera Test DT-A82

$452^.98

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AUTENS AC Digital Meter AC 80-260V 100A Current Voltage Power Energy Panel Monitor Detector LCD Digital Display Ammeter Voltmeter Multimeter with Split Core Current Transformer CT

$17^.99

$9.00 Shipping

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USB Tester Bluetooth USB C Power Meter USB Voltage Meter Type-C Current and Voltage Monitor, USB Safety Tester, PD Battery Capacity Meter, Digital Color LCD Display Multimeter

$59^.99

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USB 3.0 Tester, IPS Color Display Digital Multimeter Voltmeter Current and Voltage Monitor, DC 5.1A/30V/150W Power Meter Tester, Test Speed of Chargers, Cables, Capacity of Power Banks-Clear

$34^.99

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AUTENS DC Battery Monitor Meter with LCD Display,0-200V 0-300A Voltage Current Power Energy Impedance Resistance Capacity Multimeter Ammeter Voltmeter Digital Tester with 300A Shunt

$23^.99

$9.00 Shipping

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TempAir 2 Pack Hygrometer Indoor Humidity Meter, Room Thermometer | Accurate, Fast Refresh, Easy-Read Comfort Indicator, Temperature and Humidity Monitor House, Nursery, Basement, Incubator

$34^.99

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Sound Level Meter with USB Digital Noise Tester LCD Screen Audio Vioce Describe Meter Decibel Monitor Pressure Tester

$79^.99

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Volume Discounts:$69.99 - $79.99

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Hygrometer UT353 UT353BT Sound Level Bluetooth Meter Digital Noise Measuring Tester 30-130dB Professional Decibel Monitor dB Detector(UT353)

$77^.13

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Hygrometer UT353 UT353BT Sound Level Bluetooth Meter Digital Noise Measuring Tester 30-130dB Professional Decibel Monitor dB Detector(UT353BT with Bluetooth function)

$98^.44

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GC-03 Geiger Counter Electromagnetic Detector, 3in1 Nuclear Radiation Detector EMF Meter, Not Support RF Detection, Handheld Rechargeable Radiation Dosimeter, Gamma Beta X-ray Monitor

$151^.98

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GC-03 Geiger Counter Electromagnetic Detector, 3IN1 Nuclear Radiation Detector EMF Meter, Not Support RF Detection, Handheld Rechargeable Radiation Dosimeter, Beta Gamma X-ray Radiation Monitor

$151^.96

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3-in-1 Portable Carbon Monoxide Detector with Temperature/Humidity Sensor, 140-Hour Standby Time, Rechargeable Carbon Monoxide Monitor with Magnetic Back, Ideal for Home, Camping, Travel, and RV Use

$31^.99

$35.99

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3 Pack Room Thermometer Indoor Hygrometer Digital Mini Humidity Meter Gauge with Temperature and Humidity Monitor Sensor for House, Pet, Plant, Incubator - Battery Included

$19^.19

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Decibel Meter Sound Level Meter Recorder Digital dB Meter Professional Noise Meter Detector Monitor 30dB to 130dB Portable SPL Decibel Meter with Data Logging for Home, Office, Outside

$102^.70

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2-in-1 Chlorine&PH Meter Swimming Pool Tester, Handheld CL2 Level Meter Test Spa Water Quality Analysis Monitoring Monitor Analyzer

$87^.70

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AC Display Meter, DROK 80-300V 100A Voltage Current Power Factor Frequency Electric Energy Monitor Ammeter Voltmeter Multimeter Tester 110V 220V Digital Color LCD Volt Amp Watt Detector Reader Panel

$43^.48

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5 Inch 4 in 1 CCTV Monitor Tester, AHD/TVI/CVI/CVBS Coaxial Analog Video CCTV Tester, UTP/PTZ Cable Test for 1080P/3MP/4MP/5MP/8MP Analog Security Camera, VGA DC12V Output Camera

$247^.92

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Portable Carbon Monoxide and Carbon Dioxide Detector, 4-in-1 Carbon Monoxide and Carbon Dioxide Monitor with Magnetic Mount, Rechargeable Carbon Monoxide (CO) and Carbon Dioxide (CO) Temperature/Humi

$49^.99

$53.99

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Portable Carbon Monoxide and Carbon Dioxide Detector, 4-in-1 Magnetic Carbon Monoxide and Carbon Dioxide Detector, Audible and Visual Alarms, 3-Day Standby, Carbon Monoxide and Carbon Dioxide Monitor,

$48^.59

$52.59

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KEHIPI 2pcs DHT22/AM2302 Digital Temperature and Humidity Sensor Module Temperature Humidity Monitor Sensor Replace SHT11 SHT15 for Arduino Electronic Practice DIY

$19^.99

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AJMRTC TDS Meter, 0-9990 PPM Digital Water Purity Tester Pen, Portable Water Quality Monitor Detector with LCD Display, for Drinking Water, Aquarium, Swimming Pool, Hydroponics, Laboratory Water Testi

$11^.07

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Soil Moisture Meter, Garden Plant Water Meter, Plants Moisture Meter, Lawn Soil Tester, Soil Water Gauge for Potted Plants, Plant Moisture Monitor Free Plant Watering Guide (Pink)

$19^.99

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Volume Discounts:$16.99 - $19.99

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Moisture Meter Water Monitor Soil Hygrometer Sensor Care, Lawn, Farm, Indoor & Outdoor. (Plant Gifts for Gardeners), 10.23inch, Green

$24^.99

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Volume Discounts:$21.99 - $24.99

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Soil Moisture Meter, 2 Pack Soil Moisture Monitor for House Plants, Indoor & Outdoor, Garden, Farm, Lawn Plant Care, No Battery Needed(White)

$26^.99

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Volume Discounts:$23.99 - $26.99

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Soil Moisture Meter, Plant Meter for House Plants and Indoor Plants | Soil Moisture Monitor for Garden, Farm, and Lawn Plant Care, No Battery Needed- 2pack

$26^.99

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Volume Discounts:$23.99 - $26.99

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Soil Moisture Meter for Plants, Hygrometer Sensor Water Monitor, Plant Moisture Tester for Indoor Outdoor Garden, Potted Plants, Farm, Lawn, No Battery (Style 2)

$22^.99

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Volume Discounts:$19.99 - $22.99

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4-Pack Digital Hygrometer Thermometer, Solar Humidity Monitor (White) | No Setup Needed,Solar Power with Battery Backup,10s Data Refresh,Comfort Indicator Meter for Home Bedroom Greenhouse Office

$43^.99

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Volume Discounts:$40.99 - $43.99

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Digital Hygrometer Indoor Thermometer Humidity Meter, Black | Mini Room Thermometer, 5s Fast Refresh, Accurate Temperature and Humidity Monitor for House, Baby Room, Greenhouse, Incubator

$22^.99

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Volume Discounts:$19.99 - $22.99

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Gain Express 2-in-1 Chlorine & PH Meter Swimming Pool Tester, CL2 Level Meter Test Spa Water Quality Analysis Monitor, Handheld Portable

$88^.70

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CO2 Meter Indoor Air Quality Meter CO2 Monitor 9999ppm Carbon Dioxide Temp. Humidity Meter NDIR Sensor Detector

$397^.70

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Portable CO2 Meter Handheld CO2 Detector Monitor 0~9999ppm, Carbon Dioxide Meter with Alarm Function, Temperature & Humidity Meter NDIR Sensor Air Quality Monitor for Home Trip Classroom and Office

$403^.70

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0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa

$52^.70

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Watt Power Meter Plug-in Socket Power Meter, Home Electrical Usage Monitor Consumption, Kilowatt Wattage Voltage AMP Tester with Backlight Overload Protection

$67^.97

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0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa (pH Electrode)

$58^.70

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