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GAIN EXPRESS HOLDINGS LIMITED
HK
12YRS
Main categories: industrial Endoscope,PH meter,Refractometer,Fish Finder,Lux Meter
Top picks

Product categories

300cm long Cable ORP Electrode for ORP Meter Tester Controller (OEM packaging available)
$17.16 - $19.37
(Min. Order) 1 set
20x Magnification 20.5mm Jeweler Gem Loupe Triplet Lens Jewelry Optical Hobbyist Stamp & Coin (OEM Packaging Available)
$6.14 - $7.39
(Min. Order) 2 sets
3-in-1 Automotive Antifreeze Refractometer 1.100 - 1.400kg/l System Coolant Freezing Point (OEM Packaging Available)
$9.05 - $10.88
(Min. Order) 1 set
Gloss Surface Meter 0.1-200 GU Tester Meter 20deg 45deg 75deg for Ceramics Films Textiles Rechargeable Reflectometer Triple
$216.87 - $227.85
(Min. Order) 1 piece
3-in-1 Digital EC / CF / TDS Meter Combo Water Quality Tester IP65 Waterproof Conductivity with ATC (OEM packaging available)
$20.65 - $23.30
(Min. Order) 1 set
Greenhouse CO2 Controller w/ 4.5 Meters Remote CO2 Sensor Auto Detect Day Night Function Perfect for Grow Rooms, Home, Offices
$93.90 - $108.90
(Min. Order) 1 set
23 orders
Digital CO2 IAQ Monitor Controller 45M Cable NDIR Sensing Probe w/ Relay Function Green House Home, Office, Factory
$93.90 - $108.90
(Min. Order) 1 piece
CO2 Carbon Dioxide Monitor & Controller (Relay Function) w/ Remote Sensor for Home, Office, Hospital (OEM Packaging Available)
$93.90 - $108.90
(Min. Order) 1 piece
5 orders
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LUCKY FF918-CWLS Color Display Bait Boat Fish Finder with 300m/980ft Wireless Operating Range(OEM Packaging Available)
$99.45 - $115.90
Shipping: $31.80/set
Min. Order: 1 set
1 sold
Add to cart
Lucky Wireless Fish Finder w/ Attracting Light Lamp Portable Rechargeable Locator 45M Depth 150M Wireless Sonar Sensor
$52.30 - $59.90
Shipping: $28.00/piece
Min. Order: 1 piece
21 recent viewed
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LUCKY Rechargeable Battery Waterproof Wireless Fishfinder/ Fish finder 2-131FT Sensor 125kHz Sonar Frequency Bottom Contour
$58.80 - $66.90
Shipping: $14.20/piece
Min. Order: 1 piece
Add to cart
Lucky Wireless Fish Finder with Fish Attractive Light Lamp & Color LCD 45M Depth 60M Sonar Sensor Boats Kayak Ice Night Fishing
$51.25 - $56.94
Shipping: $15.90/piece
Min. Order: 2 pieces
Add to cart
LUCKY 100M (328ft) Wireless & 45M (147ft) Wired Sonar 2-in-1 Color Fish Finder w/ 100M (328ft) Depth Range & Attracting Light
$68.00 - $76.90
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
LUCKY Wired Fishfinder 100M (328ft) Depth Detection Portable Fish Finder w/ Clear LED (OEM Packaging Available)
$23.80 - $26.86
Shipping: $31.80/set
Min. Order: 1 set
Add to cart
Lucky Black Fish Finder 45m (135ft) Depth & 120m (400ft) Wireless Sonar Sensor Sea Bed Live-Update Bottom Contour
$49.00 - $55.90
Shipping: $12.00/piece
Min. Order: 1 piece
Add to cart
100M Sonar Sensor Boats Kayak Ice Night Fishing Lucky Wireless Fish Finder with Fish Attractive Light Lamp 45M Depth Colored LCD
$52.56
Shipping to be negotiated
Min. Order: 15 pieces
Wireless 50M WIFI Sonar 130 FEET (45 Meters) Rechargeable Lithuim Battery Fish Finder with Neoprene Bag
$75.80 - $85.90
Shipping: $15.30/piece
Min. Order: 1 piece
Add to cart
Wifi Extender Fish Finder for Smartphone Tablet, Fishing, Ice Fishing, Compatible with iPhone and Android
$73.70 - $85.00
Shipping to be negotiated
Min. Order: 6 pieces
LUCKY Boat Sonar Fishfinder Temperature 40m/130fts 100m/328fts Wireless Wired Fish Finder
$79.30 - $91.50
Shipping to be negotiated
Min. Order: 6 pieces
FFW-718RU Lucky Portable Digital Wireless Fish Finder with 45m (135ft) Depth & 120m (400ft) Fish Alarm (OEM Packaging Available)
$43.50 - $55.90
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
LUCKY 50M WIFI Sonar Wireless Fish Finder 130fT(70m) Lithuim Battery PHONE/PAD/IOS/Android (OEM Packaging Available)
$75.80 - $85.90
Shipping: $31.80/set
Min. Order: 1 set
Add to cart
LUCKY BLACK Fish Finder 45m (135ft) Depth & 120m (400ft) Wireless Sonar Sensor Sea Bed (OEM Packaging Available)
$43.50 - $55.90
Shipping: $15.90/set
Min. Order: 2 sets
Add to cart
LUCKY Fishfinder Alarm 100M Detects Weeds, Grass, Rock Digital Sonar LCD Fish Finder
$22.50 - $25.80
Shipping to be negotiated
Min. Order: 20 pieces
LUCKY RUSSIAN Underwater Waterproof Camera Fish Finder w/ 20M Cable 3.5" TFT Display Fishing Inspection (OEM Packaging Available
$79.70 - $92.90
Shipping: $29.60/set
Min. Order: 1 set
Add to cart
LUCKY Underwater Waterproof Camera System Fish Finder w/ 3.5 inch TFT RGB Display Monitor 20M Cable (OEM Packaging Available)
$79.70 - $92.90
Shipping: $37.30/set
Min. Order: 1 set
Add to cart
LUCKY LBT-1-GPS Color Display Bait Boat Fish Finder with 300m/980ft with GPS (OEM Packaging Available)
$323.90
Shipping: $27.12/set
Min. Order: 10 sets
Add to cart
LUCKY LBT-1 Color Display Bait Boat Fish Finder with 300m/980ft (OEM Packaging Available)
$299.00
Shipping to be negotiated
Min. Order: 50 sets
LUCKY LS-2W WIFI Sonar Wireless Fish Finder 130fT(70m) Lithuim Battery PHONE/PAD/IOS/Android (OEM Packaging Available)
$80.00
Shipping to be negotiated
Min. Order: 100 sets
LUCKY Fish Finder Wireless 45 Meter / 120M LCD Sonar Turbid Water Reservoir (OEM Packaging Available)
$37.40 - $42.90
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
LUCKY Fishfinder 300m/ 980ft Fishing Wireless Operating Range 100m Depth Range w/ Zoom Function Boat Fish Finder
$99.45 - $115.90
Shipping: $31.80/piece
Min. Order: 1 piece
54 recent viewed
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LUCKY Underwater Camera Fish Locator Finder 120deg Wide Angle 20M Cable Length 4 IR LED 4.3" Display Video Photo Capture
$79.00 - $91.90
Shipping: $25.35/piece
Min. Order: 2 pieces
Add to cart
Fish Finder Waterproof 2-in-1 Wireless Wired Fishfinder 40m Sonar Transducer 100m Depth 180m
$68.00 - $76.90
Shipping: $37.30/piece
Min. Order: 1 piece
Add to cart
LUCKY Wired Fishfinder w/ Alarm 100M (328ft) Depth Detection Portable Fish Finder w/ Clear LED Backlight for Night Fishing
$23.80 - $27.90
Shipping: $31.80/piece
Min. Order: 1 piece
Add to cart
2-in-1 LUCKY Fish Finder 328ft/100m Wireless Coverage Waterproof Design 6M Wired 100M Depth Capability (OEM Packaging Available)
$76.50 - $86.90
Shipping: $37.30/set
Min. Order: 1 set
Add to cart
LUCKY FFW-718 Digital Wireless Sonar Fish Finder 120m(400ft) Wireless Range 45M(135ft) Lake Seabed (OEM Packaging Available)
$43.50 - $55.90
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
Lucky Sonar Fishfinder Alarm Sea Contour Ice Thermometer Lake River Fish Finder 328ft (100m) Depth Range
$43.50 - $50.30
Shipping to be negotiated
Min. Order: 15 pieces
LUCKY Portable Digital Wired 12M Cable Fish Finder 0.7-100M Transducer Sensor Depth Fishing Meter (OEM Packaging Available)
$22.50 - $25.80
Shipping to be negotiated
Min. Order: 20 sets
LUCKY Wireless Fish Finder 45M Depth 60M Sonar Sensor w/ Fish Attractive Light Lamp & Color LCD (OEM Packaging Available)
$51.25 - $56.94
Shipping: $15.90/set
Min. Order: 2 sets
Add to cart
Optional Extra Wireless Sonar Sensor for Fish Finder Items (OEM Packaging Available)
$18.35 - $20.71
Shipping: $14.00/set
Min. Order: 2 sets
Add to cart
Lucky Fish Finder 2~147ft Depth Range Colored TFT LCD Display Fishfinder Sensor Sonar Frequency
$44.00 - $51.00
Shipping to be negotiated
Min. Order: 15 pieces
LUCKY Fish Finder 328feet(100m) 4-level Grayscale FSTN LCD Fish Detector Boat-use Depth Sounder (OEM Packaging Available)
$66.90 - $77.20
Shipping to be negotiated
Min. Order: 6 sets
LUCKY Fish Finder Detector RU Version, 100m (328ft) Wireless & 45M (148ft) Depth Waterproof (OEM Packaging Available)
$68.00 - $76.90
Shipping: $28.00/set
Min. Order: 1 set
Add to cart
LUCKY FFCW-1108-1 Wireless Fish Finder Sonar Turbid Water Reservoir Sea River lake Boat Kayak Ice Anti-UV LCD Display Fishfinder
$37.40 - $42.90
Shipping: $28.00/piece
Min. Order: 1 piece
1 sold
Add to cart
Lucky Underwater Fishing Camera Fish Finder Camera with Infrared Lights for Ice,Sea Fishing(OEM packaging service available)
$79.10 - $91.90
Shipping: $25.35/set
Min. Order: 2 sets
Add to cart