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110 Voltage (1)

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Fiber Optics Illuminator (1)

gainexpresswarrantybadge (397)

gainexpresswarrantybadgewaterquality (59)

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AOK-5019_2S Weather Station with 2 Wireless Sensors, with Time, Barometer Weather Forecast, Temperature, Humidity, Sunrise/ Sunset/ Moonrise/ Moonset, Date, Alarm & Snooze, Radio Controlled Clock RCC DST, 12/ 24-hour format, Indoor & Outdoor

AOK-5019_2S Weather Station with 2 Wireless Sensors, with Time, Barometer Weather Forecast, Temperature, Humidity, Sunrise/ Sunset/ Moonrise/ Moonset, Date, Alarm & Snooze, Radio Controlled Clock RCC DST, 12/ 24-hour format, Indoor & Outdoor

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(For Bulk Order Only)

AQM-306 Air Quality Monitor CO2 / CO / HCHO / TVOC / AQI Formaldehyde Detector Rechargeable Accurate Air Gas Tester for Home Office and Various Occasion

AQM-306 Air Quality Monitor CO2 / CO / HCHO / TVOC / AQI Formaldehyde Detector Rechargeable Accurate Air Gas Tester for Home Office and Various Occasion

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(For Bulk Order Only)

AQM-356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms

AQM-356 CO2 Controller & Monitor Auto Detect Day Night Carbon Dioxide CO2 Meter with 15ft Remote Dual Beam NDIR Sensor for Greenhouse, Grow Rooms, Hydroponics Rooms

$173.90 USD

AQM-385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor

AQM-385 Carbon Dioxide CO2 Monitor 0~5000ppm Range Large Colored LED Screen Display IAQ Meter Air Quality Tester NDIR Sensor

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(For Bulk Order Only)

AQM-421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc.

AQM-421 Professional 5in1 Indoor Air Quality Monitor CO | CO2 | TVOC Meter, Humidity & Temperature with NDIR Sensor High Precision Monitor for Home, Offices, RV, Grow Tents etc.

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(For Bulk Order Only)

AQM-422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc.

AQM-422 IAQ Monitor 5 in 1 Professional HCHO | CO2 | TVOC Meter with Humidity & Temperature Measurement NDIR Sensor Portable Carbon Dioxide Monitor for Home, RV, Grow Tents, Factory etc.

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AQM-481 Portable CO2 Monitor with Temperature & Humidity Measurement NDIR Sensor Technology, 3-Color Air Quality Alert, Rechargeable Battery 40+ Hour Continuous Usage

AQM-481 Portable CO2 Monitor with Temperature & Humidity Measurement NDIR Sensor Technology, 3-Color Air Quality Alert, Rechargeable Battery 40+ Hour Continuous Usage

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AQM-514 Advanced Portable Radon Gas Detector – Real-Time Monitoring, High Sensitivity Sensor, TFT Color Display & Audible Alarm for Home, Basement, Workplace & Mine Safety

AQM-514 Advanced Portable Radon Gas Detector – Real-Time Monitoring, High Sensitivity Sensor, TFT Color Display & Audible Alarm for Home, Basement, Workplace & Mine Safety

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AR-111-220V Ultrasonic Mosquito Repeller Repellent Electronic Pest Control

AR-111-220V Ultrasonic Mosquito Repeller Repellent Electronic Pest Control

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AR-131_EU Ultrasonic Plug-in Pest Control Repeller Electronic Insects Repellent, Pet Kids Safe, Mosquito Cockroach Spider Bugs etc

AR-131_EU Ultrasonic Plug-in Pest Control Repeller Electronic Insects Repellent, Pet Kids Safe, Mosquito Cockroach Spider Bugs etc

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AR-131_US Ultrasonic Plug-in Pest Control Repeller Electronic Insects Repellent, Pet Kids Safe, Mosquito Cockroach Spider Bugs etc

AR-131_US Ultrasonic Plug-in Pest Control Repeller Electronic Insects Repellent, Pet Kids Safe, Mosquito Cockroach Spider Bugs etc

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AZ-8891 Waterproof Digital Thermometer Monitor Beer Wine Meter

-5%

AZ-8891 Waterproof Digital Thermometer Monitor Beer Wine Meter

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(For Bulk Order Only)

AZ87786 WBGT (Wet Bulb Globe Temperature) Heat Stress Meter Datalogger Air Globe Temperature Humidity Tester with Backlight Indicator Audible Alarm Data Logging Function Handheld or Mount in Tripod

-5%

AZ87786 WBGT (Wet Bulb Globe Temperature) Heat Stress Meter Datalogger Air Globe Temperature Humidity Tester with Backlight Indicator Audible Alarm Data Logging Function Handheld or Mount in Tripod

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AZ87797 WBGT SD Card Datalogger Temperature Humidity Meter Desktop / Wallmount Logger with 8GB SDHC Card LED Audible Alarm Real time Logging

-5%

AZ87797 WBGT SD Card Datalogger Temperature Humidity Meter Desktop / Wallmount Logger with 8GB SDHC Card LED Audible Alarm Real time Logging

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AZ8908 Pocket Thermo Anemometer Temperature Windchill Air Velocity Pocket Meter CE Marking

AZ8908 Pocket Thermo Anemometer Temperature Windchill Air Velocity Pocket Meter CE Marking

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B_CASE-319 + BT Large-capacity, Portable, Waterproof, Shockproof and Flexible Battery Organizer Storage Case, with Tester, Internal Compartment and Containers

B_CASE-319 + BT Large-capacity, Portable, Waterproof, Shockproof and Flexible Battery Organizer Storage Case, with Tester, Internal Compartment and Containers

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C0588B Portable 2.4"Video Inspection Endoscope 12mm Camera with Built-in 36" Cable

C0588B Portable 2.4"Video Inspection Endoscope 12mm Camera with Built-in 36" Cable

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C0588DR_1M Industrial Rotation Endoscope 1M with 5.5mm Video Inspection Borescope IP67 Camera

C0588DR_1M Industrial Rotation Endoscope 1M with 5.5mm Video Inspection Borescope IP67 Camera

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C0588DR_3M Industrial 2-Way Rotation Endoscope 3M with 5.5mm Video Inspection Borescope IP67 Camera

C0588DR_3M Industrial 2-Way Rotation Endoscope 3M with 5.5mm Video Inspection Borescope IP67 Camera

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C0588G Watch Type Wearable Borescope endoscope Video inspection camera 8.5mm dia. + 1M Cable

C0588G Watch Type Wearable Borescope endoscope Video inspection camera 8.5mm dia. + 1M Cable

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Gain Express Holdings Ltd.

Office Address

Room 10, 8F, Block B
Merit Industrial Centre
94 To Kwa Wan Rd., To Kwa Wan
Kowloon, Hong Kong

Email Address

info@gainexpress.com

Phone Number (Hong Kong)

(+852) 2362 7800 / 2365 6735

Phone Number (US)

(+1) 347 305 4263

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(+44) 020 3286 9086

WhatsApp

(+852) 5446 6952

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Monday to Saturday
10:00 AM - 7:00 PM HKT (GMT+8)

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