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Availability

In stock (528)

Out of stock (500)

Price

$

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Air Dryer (1)

Air Quality Meters (35)

Analog Multimeter (1)

Anemometer (15)

Angle Finders (18)

Automotive Diagnosis Tester (4)

Battery Tester (7)

Blood Pressure & Heart Rate Monitor (6)

Body Fat Caliper (1)

Brake Fluid Tester (2)

Cable Testers (30)

Car / Vehicle Black Box Camera (1)

Car Data Saver (1)

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Chelsea Filter (1)

Circuit Breaker Finder (2)

Clamp Meter (3)

CO2/CO Monitor/Tester/Logger (5)

Conductivity Meter (1)

Cover Plate (3)

Data Loggers (20)

Dental Loupes (8)

Depth Gauge (2)

Desktop LED Light (1)

Diamond / Moissanite Tester (1)

Diamond / Moissanite Testers (3)

Dichroscope (2)

Digital Microscope (4)

Digital Scale (4)

Distance Meter (24)

Egg Incubator (1)

Electronic Stethoscope (1)

EMF / RF / ELF / Solar / Gauss Meter (20)

Face & Skin Moisture Analyzer (1)

Fiber Microscope (2)

Fiber Optic Cleaner (1)

Fiber Optics Illuminator (3)

Fish Finder (38)

Flow (1)

Force Meter (1)

Frequency Counter (1)

GEM Identification Toolkit SET (4)

Gem Refractometers (4)

Gloss Meter (5)

GPS Receiver/Finder (1)

hardness tester (11)

Hardness Tester (4)

Health & Household Items (2)

Heart Rate Monitor (6)

Humidity / Temperature / Moisture Meter (2)

Humidity/Temperature/Moisture Meter (2)

Hygro-Thermometer (3)

Injector Tester (2)

Inspection Camera (65)

Inspection Camera Cable (1)

IR Thermometer (12)

Item Tracker (2)

Jeweller Loupes (36)

Leak Detector (17)

Lux / Light Meter (26)

Make-Up Mirror (1)

Manometer (8)

Microscope / Ring lights / Illuminator (10)

Moisture Meter (29)

Mosquito & Pest Repeller (6)

Multimeter (13)

Multimeters / Clamp Meters / Scopemeter (16)

Optional Accessories (15)

Optional CD & Cable (2)

Ozone Generator (7)

ph electrode (3)

pH Meters (5)

Phase Sequence (2)

Polariscope (3)

Power Monitor (4)

Radiation / Gamma Meter (8)

Rebound Hammer Tester (2)

Refractometer (36)

Shipping Cost (3)

Sound Level Meter (26)

Sound Level Meters (4)

Spectroscopes (3)

Stud Joist Wire Scanner Level Marker (6)

Surface Roughness Tester (5)

Tachometer (12)

Tension Tester (2)

Thermo-hygrometer (2)

Thermocouple (7)

Thermometer (59)

Thickness Meter (29)

Tint Meter (5)

Ultrasonic Cleaner (7)

Ultrasonic Flaw Detector (2)

Vibration Meter (10)

Watch Winder (4)

Water Quality Meters (103)

Water Test Kit (2)

Weather Station (32)

Whiteness Meter (2)

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More filters

2.4 inch Monitor (23)

2.7 inch Monitor (4)

3.5 inch monitor (18)

40M (7)

60M (4)

100M (6)

110 Voltage (3)

220 Voltage (3)

10x Magnification (15)

20x Magnification (9)

30x Magnification (8)

AdBlue / Battery / Anti-freeze / Cleaning Fluid (9)

Automotive Multimeter (8)

Battery Tester (3)

Beer / Wine / Alcohol (6)

Blood Pressure Monitor (3)

Body Surface / Forehead Thermometer (9)

Brix (11)

CD Software & USB Cable (4)

Chlorine Meter (5)

Clamp Meters (7)

Clinical (3)

Clinical Thermometers (4)

CO2 (Carbon Dioxide) Meters (27)

CO2 Controller (3)

CO2 Monitor (3)

CO (Carbon Monoxide) Meters (8)

Concrete / Mortar / Lime Moisture (6)

Conductivity (EC) Meter (28)

Conductivity / EC / TDS / Chlorine Meter (4)

Cover Plates (3)

Darkfield Loupe (3)

Data Loggers (31)

Dental Loupes (7)

Diamond & Moissanite Testers (4)

Digital Microscope (5)

Digital Multimeter (19)

Dissolved Oxygen (DO) Meter (3)

Electrode (6)

Electrode (pH / ORP) (12)

EMF (7)

Fiber Optics Illuminator (3)

gainexpresswarrantybadge (813)

gainexpresswarrantybadgewaterquality (91)

Gas Leak Detector (9)

Gas/Radiation Leak Detector/Monitor (4)

Geiger Counter (6)

Gem Refractometers (4)

Grain Moisture (5)

Hardness Tester (6)

HCHO (Formaldehyde) Testers (6)

Heart Rate Monitor (9)

Heat Stress Meter (4)

Hygro-Thermometer (3)

H₂S Monitor (3)

Infrared IR Thermometer (11)

IR Thermometers (22)

Kitchen Thermometer (4)

LED Ring Lights (6)

Leeb Hardness Tester (4)

Loupe Magnifier (37)

Lux Meter (6)

Mosquito / Pest Repellers (6)

Network | LAN | Wire Tone Tracker (14)

Optical Power Meter | Optical Light Source (3)

Optional Cables (5)

ORP Tester / Monitor (19)

Ozone Generator (5)

PAR Meter (6)

pH / ORP Controllers (8)

pH / TDS Meter (6)

pH Meter / Monitor (50)

pH Tester (9)

Polariscopes (3)

Pool Thermometer (3)

Power Monitor (4)

RF (3)

Salinity (7)

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Salinity Meter (12)

Soil pH / Moisture (14)

Sound Level Calibrator (4)

Sound Level Meter (12)

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TDS Tester (23)

Thermo-hygrometer (21)

Thermocouple (23)

Thermometer (7)

Thickness Meter (27)

Tint Meter (4)

Ultrasonic Cleaner (7)

USB Type (5)

VOC (Volatile Organic Compound) Monitor (4)

Watch Winder (4)

Wifi Endoscope (5)

Wired + Wireless Sensor (6)

Wired Sensor (6)

Wireless Sensor (19)

Wood Moisture (14)

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

-30%

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~~

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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(For Bulk Order Only)

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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(For Bulk Order Only)

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

-40%

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

$13.14 USD

~~$21.90 USD~~

AZ-8891 Waterproof Digital Thermometer Monitor Beer Wine Meter

-5%

AZ-8891 Waterproof Digital Thermometer Monitor Beer Wine Meter

Sold out

(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

Sold out

(For Bulk Order Only)

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

Sold out

(For Bulk Order Only)

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

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

Sold out

(For Bulk Order Only)

Baby Sound Machine White Noise Machine for Baby Sleeping with Night Light, Toddler Sleep Trainer 34 Soothing Sounds, Timer, App Remote Control, Personal Sleep Routine

Baby Sound Machine White Noise Machine for Baby Sleeping with Night Light, Toddler Sleep Trainer 34 Soothing Sounds, Timer, App Remote Control, Personal Sleep Routine

$65.90 USD

BAT-376 Digital Battery Capacity Tester Volt Checker Load Analyzer Display Check AAA AA C D 9V 3.7V 1.5V Button Cell Household Batteries Universal Tester

BAT-376 Digital Battery Capacity Tester Volt Checker Load Analyzer Display Check AAA AA C D 9V 3.7V 1.5V Button Cell Household Batteries Universal Tester

$19.90 USD

BFT-505 Brake Fluid Tester 0~4% Range Digital Brake Oil Detector for DOT3, DOT4, DOT5.1 Color Backlight & Buzzer Alarm for Safe Brake Oil Change of Car Motorcycle Vehicle Truck Automobile

BFT-505 Brake Fluid Tester 0~4% Range Digital Brake Oil Detector for DOT3, DOT4, DOT5.1 Color Backlight & Buzzer Alarm for Safe Brake Oil Change of Car Motorcycle Vehicle Truck Automobile

$26.90 USD

BTT-2880 Digital Belt Tension Meter Gauge, 0~77 kg / 0~120 lb / 0~750 Newtons / 0~144 Seems, Tape Cable Wire Replacement Adjustment Maintenance, Automotive Motorcycle Manufacturing Industry

BTT-2880 Digital Belt Tension Meter Gauge, 0~77 kg / 0~120 lb / 0~750 Newtons / 0~144 Seems, Tape Cable Wire Replacement Adjustment Maintenance, Automotive Motorcycle Manufacturing Industry

$237.90 USD

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

Sold out

(For Bulk Order Only)

C0588AS USB HD 8.5mm Camera Video Inspection 6 LED Light Borescope Tape Style Endoscope

-30%

C0588AS USB HD 8.5mm Camera Video Inspection 6 LED Light Borescope Tape Style Endoscope

$29.33 USD

~~$41.90 USD~~

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

Sold out

(For Bulk Order Only)

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

Sold out

(For Bulk Order Only)

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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(For Bulk Order Only)

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

Sold out

(For Bulk Order Only)

C0598AM USB Handheld Endoscope 7mm Camera Head Video Inspection Borescope w/ 7" Android Monitor

C0598AM USB Handheld Endoscope 7mm Camera Head Video Inspection Borescope w/ 7" Android Monitor

$198.00 USD

C0598AS_3M USB Video Inspection Borescope 3M Cable Endoscope Pipe Snake Scope 8.5mm HD Camera

C0598AS_3M USB Video Inspection Borescope 3M Cable Endoscope Pipe Snake Scope 8.5mm HD Camera

Sold out

(For Bulk Order Only)

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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

Phone Number (UK)

(+44) 020 3286 9086

WhatsApp

(+852) 5446 6952

Business Hours

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

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