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7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom

7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom - Gain Express 7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom - Gain Express
40% Off

7730 Smart CO2 Carbon Dioxide Indoor Air Quality Monitor Temperature Humidity Measurement for Bedroom Close Rooms Offices Classroom

$61.14 USD
$101.90 USD

837-3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

837 - 3 837 - 3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing - Gain Express 837 - 3 837 - 3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing - Gain Express
10% Off

837-3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

$39.51 USD
$43.90 USD

AR-166 2-in-1 Electronic Ultrasonic Repeller Anti Mouse & Mosquito 50/ 60Hz, Rats Control, Plug-in Non-Toxic Repellent, Pet & Kids Safe

AR - 166_US AR - 166 2 - in - 1 Electronic Ultrasonic Repeller Anti Mouse & Mosquito 50/ 60Hz, Rats Control, Plug - in Non - Toxic Repellent, Pet & Kids Safe - Gain Express AR - 166_US AR - 166 2 - in - 1 Electronic Ultrasonic Repeller Anti Mouse & Mosquito 50/ 60Hz, Rats Control, Plug - in Non - Toxic Repellent, Pet & Kids Safe - Gain Express
40% Off

AR-166 2-in-1 Electronic Ultrasonic Repeller Anti Mouse & Mosquito 50/ 60Hz, Rats Control, Plug-in Non-Toxic Repellent, Pet & Kids Safe

E04-004 Brake Fluid Tester Detector w/ LED Indicator & 180° Foldable Testing Rod, Car Auto Automotive Diagnostic Tool Oil Quality Driving Safety Check Analyzer

E04 - 004_FBA E04 - 004 Brake Fluid Tester Detector w/ LED Indicator & 180° Foldable Testing Rod, Car Auto Automotive Diagnostic Tool Oil Quality Driving Safety Check Analyzer - Gain Express E04 - 004_FBA E04 - 004 Brake Fluid Tester Detector w/ LED Indicator & 180° Foldable Testing Rod, Car Auto Automotive Diagnostic Tool Oil Quality Driving Safety Check Analyzer - Gain Express
40% Off

E04-004 Brake Fluid Tester Detector w/ LED Indicator & 180° Foldable Testing Rod, Car Auto Automotive Diagnostic Tool Oil Quality Driving Safety Check Analyzer

$14.34 USD
$23.90 USD

E04-007 Digital Auto Range Clamp Multimeter AC DC Voltage Current Tester LCD Display CE Marking

E04 - 007 E04 - 007 Digital Auto Range Clamp Multimeter AC DC Voltage Current Tester LCD Display CE Marking - Gain Express E04 - 007 E04 - 007 Digital Auto Range Clamp Multimeter AC DC Voltage Current Tester LCD Display CE Marking - Gain Express
50% Off

E04-007 Digital Auto Range Clamp Multimeter AC DC Voltage Current Tester LCD Display CE Marking

$14.95 USD
$29.90 USD

E04-017 Digital 2-in-1 Car Motor Tire Pressure Gauge Measure + Tire Veins Depth CE Marking LCD Display

E04 - 017 E04 - 017 Digital 2 - in - 1 Car Motor Tire Pressure Gauge Measure + Tire Veins Depth CE Marking LCD Display - Gain Express E04 - 017 E04 - 017 Digital 2 - in - 1 Car Motor Tire Pressure Gauge Measure + Tire Veins Depth CE Marking LCD Display - Gain Express
40% Off

E04-017 Digital 2-in-1 Car Motor Tire Pressure Gauge Measure + Tire Veins Depth CE Marking LCD Display

$9.54 USD
$15.90 USD

E04-008 Digital Multimeter w/ Test Leads, Overload Protection, DC AC Voltage Resistance Diode Measure DMM Multi Meter Tester 1999 Readings, Backlight

E04 - 008 E04 - 008 Digital Multimeter w/ Test Leads, Overload Protection, DC AC Voltage Resistance Diode Measure DMM Multi Meter Tester 1999 Readings, Backlight - Gain Express E04 - 008 E04 - 008 Digital Multimeter w/ Test Leads, Overload Protection, DC AC Voltage Resistance Diode Measure DMM Multi Meter Tester 1999 Readings, Backlight - Gain Express
40% Off

E04-008 Digital Multimeter w/ Test Leads, Overload Protection, DC AC Voltage Resistance Diode Measure DMM Multi Meter Tester 1999 Readings, Backlight

$15.54 USD
$25.90 USD

E04-009 Digital Multimeter 1999 Counts ACV DCV DC Current Diode Battery Tester Meter LCD Display CE Marking

E04 - 009 E04 - 009 Digital Multimeter 1999 Counts ACV DCV DC Current Diode Battery Tester Meter LCD Display CE Marking - Gain Express E04 - 009 E04 - 009 Digital Multimeter 1999 Counts ACV DCV DC Current Diode Battery Tester Meter LCD Display CE Marking - Gain Express
40% Off

E04-009 Digital Multimeter 1999 Counts ACV DCV DC Current Diode Battery Tester Meter LCD Display CE Marking

$8.34 USD
$13.90 USD

E04-032 Digital Clamp Meter Multimeter DC AC Voltage Current Resistance Diode Continuity Tester LCD Display

E04 - 032 Digital Clamp Meter Multimeter DC AC Voltage Current Resistance Diode Continuity Tester LCD Display - Gain Express E04 - 032 Digital Clamp Meter Multimeter DC AC Voltage Current Resistance Diode Continuity Tester LCD Display - Gain Express
40% Off

E04-032 Digital Clamp Meter Multimeter DC AC Voltage Current Resistance Diode Continuity Tester LCD Display

$26.34 USD
$43.90 USD

E04-011_US Automatic Circuit Breaker Finder Tracer AC circuits / Fuses for 100-120V ONLY, LED Signal Receiver Transmitter Fuse Socket ,Plugs, Lighting, Lamp Socket & Outlet Adapters 110V

E04 - 011_US E04 - 011_US Automatic Circuit Breaker Finder Tracer AC circuits / Fuses for 100 - 120V ONLY, LED Signal Receiver Transmitter Fuse Socket ,Plugs, Lighting, Lamp Socket & Outlet Adapters 110V - Gain Express E04 - 011_US E04 - 011_US Automatic Circuit Breaker Finder Tracer AC circuits / Fuses for 100 - 120V ONLY, LED Signal Receiver Transmitter Fuse Socket ,Plugs, Lighting, Lamp Socket & Outlet Adapters 110V - Gain Express
20% Off

E04-011_US Automatic Circuit Breaker Finder Tracer AC circuits / Fuses for 100-120V ONLY, LED Signal Receiver Transmitter Fuse Socket ,Plugs, Lighting, Lamp Socket & Outlet Adapters 110V

$41.52 USD
$51.90 USD

E04-014 Digital Clamp Meter DC AC Audible Continuity Tester CE Marking Reading 1999 LCD Backlight

E04 - 014 E04 - 014 Digital Clamp Meter DC AC Audible Continuity Tester CE Marking Reading 1999 LCD Backlight - Gain Express E04 - 014 E04 - 014 Digital Clamp Meter DC AC Audible Continuity Tester CE Marking Reading 1999 LCD Backlight - Gain Express
50% Off

E04-014 Digital Clamp Meter DC AC Audible Continuity Tester CE Marking Reading 1999 LCD Backlight

$14.95 USD
$29.90 USD

PHM-443 Digital Pentype pH Meter High Accuracy Colored Screen | Red Backlight Alarm | 3-Point Calibration with Temperature Measurement ATC Function for Liquids in Laboratory Food and Medicine Industry

PHM - 443 PHM - 443 Digital Pentype pH Meter High Accuracy Colored Screen | Red Backlight Alarm | 3 - Point Calibration with Temperature Measurement ATC Function for Liquids in Laboratory Food and Medicine Industry - Gain Express PHM - 443 PHM - 443 Digital Pentype pH Meter High Accuracy Colored Screen | Red Backlight Alarm | 3 - Point Calibration with Temperature Measurement ATC Function for Liquids in Laboratory Food and Medicine Industry - Gain Express
20% Off

PHM-443 Digital Pentype pH Meter High Accuracy Colored Screen | Red Backlight Alarm | 3-Point Calibration with Temperature Measurement ATC Function for Liquids in Laboratory Food and Medicine Industry

$41.52 USD
$51.90 USD

PHM-239 PH Meter 360° Flexible Display Angle, 0.00~14.00pH Portable Pocket Size Water Quality Tester Twist & Turnable Monitor Kit Set for Household Drinking Water, Hydroponics Aquariums Pools

PHM - 239 PH Meter 360° Flexible Display Angle, 0.00~14.00pH Portable Pocket Size Water Quality Tester Twist & Turnable Monitor Kit Set for Household Drinking Water, Hydroponics Aquariums Pools - Gain Express PHM - 239 PH Meter 360° Flexible Display Angle, 0.00~14.00pH Portable Pocket Size Water Quality Tester Twist & Turnable Monitor Kit Set for Household Drinking Water, Hydroponics Aquariums Pools - Gain Express
40% Off

PHM-239 PH Meter 360° Flexible Display Angle, 0.00~14.00pH Portable Pocket Size Water Quality Tester Twist & Turnable Monitor Kit Set for Household Drinking Water, Hydroponics Aquariums Pools

$14.94 USD
$24.90 USD

FFW-718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle

FFW - 718 FFW - 718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle - Gain Express FFW - 718 FFW - 718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle - Gain Express
35% Off

FFW-718 Lucky Portable Wireless Fish Finder Locator with 45m (135ft) Depth & 120m (400ft) Wireless Range, Display Water Temperature/ Fish Size & Location, Fishing Gear Tools for Fresh & Salt water, Ocean, Sea, Lake, River, Ice Icy Water, 90° beam angle

$58.44 USD
$89.90 USD

710-110 / BAT-377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size

710 - 110 / BAT - 377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size - Gain Express 710 - 110 / BAT - 377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size - Gain Express

710-110 / BAT-377 Battery Tester Checker C AA AAA D N 9V 1.5V Button Cell Batteries Clear Bar Graph LCD Display Pocket Size

SQM-256 Soil pH, Moisture & Light Meter 3 Way Tester Kit, Gardening Acidity Probe Test Tool Plants Growth Watering Quality Monitoring Checker for Garden Farm Lawn Household Indoor Outdoor

SQM - 256 Soil pH, Moisture & Light Meter 3 Way Tester Kit, Gardening Acidity Probe Test Tool Plants Growth Watering Quality Monitoring Checker for Garden Farm Lawn Household Indoor Outdoor - Gain Express SQM - 256 Soil pH, Moisture & Light Meter 3 Way Tester Kit, Gardening Acidity Probe Test Tool Plants Growth Watering Quality Monitoring Checker for Garden Farm Lawn Household Indoor Outdoor - Gain Express
50% Off

SQM-256 Soil pH, Moisture & Light Meter 3 Way Tester Kit, Gardening Acidity Probe Test Tool Plants Growth Watering Quality Monitoring Checker for Garden Farm Lawn Household Indoor Outdoor

WS-104_EU_3S Weather Station Indoor Outdoor Temperature Humidity RCC DCF 3 Wireless Remote Sensors

WS - 104_EU_3S Weather Station Indoor Outdoor Temperature Humidity RCC DCF 3 Wireless Remote Sensors - Gain Express WS - 104_EU_3S Weather Station Indoor Outdoor Temperature Humidity RCC DCF 3 Wireless Remote Sensors - Gain Express
55% Off

WS-104_EU_3S Weather Station Indoor Outdoor Temperature Humidity RCC DCF 3 Wireless Remote Sensors

$26.06 USD
$57.90 USD

868-1 0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing

868 - 1 868 - 1 0.0 - 14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen - Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing - Gain Express 868 - 1 868 - 1 0.0 - 14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen - Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing - Gain Express
40% Off

868-1 0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing

$22.14 USD
$36.90 USD

AR-111_US 110V Plug-in Ultrasonic Mosquito Repeller, Electronic Non Toxic Repellent, Pet & Kids Safe, Anti Insects Indoor Home Control

AR - 111_US AR - 111_US 110V Plug - in Ultrasonic Mosquito Repeller, Electronic Non Toxic Repellent, Pet & Kids Safe, Anti Insects Indoor Home Control - Gain Express AR - 111_US AR - 111_US 110V Plug - in Ultrasonic Mosquito Repeller, Electronic Non Toxic Repellent, Pet & Kids Safe, Anti Insects Indoor Home Control - Gain Express
30% Off

AR-111_US 110V Plug-in Ultrasonic Mosquito Repeller, Electronic Non Toxic Repellent, Pet & Kids Safe, Anti Insects Indoor Home Control

$17.43 USD
$24.90 USD

WS-103_2S Weather Station 2 Wireless Sensors, WWVB DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase

WS - 103_2S Weather Station 2 Wireless Sensors, WWVB DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase - Gain Express WS - 103_2S Weather Station 2 Wireless Sensors, WWVB DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase - Gain Express
50% Off

WS-103_2S Weather Station 2 Wireless Sensors, WWVB DCF Radio Controlled Clock Thermometer Alarm, Indoor Outdoor Humidity Temperature Weather Forecast Barometer, Sunrise Sunset Moon Phase

$23.45 USD
$46.90 USD
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