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GAIN EXPRESS HOLDINGS LIMITED
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NEW ARRIVALS
Air Quality Meters
Digital 0.2W-2200W Power Meter Micro Power Monitor with Backlight Plug in Watt Kilowatt Meter Voltage Tester
$7.44-8.95
Min. Order: 1 piece
EMF Meter Electromagnetic Radiation Tester Digital Electric and Magnetic Field Detector Rechargeable Dosimeter
$17.32-19.55
Min. Order: 1 piece
Durable Digital EMF Meter Electromagnetic Radiation Detector 5Hz-3.5GHz Rechargeable EMF Detector Temperature Tester
$13.90-15.69
Min. Order: 1 piece
High Quality Digital Electromagnetic RF Field Strength Tester EMF Meter RF Gauss Meter 20mG Warning Indicator
$104.62-115.93
Min. Order: 1 piece
High Quality Trusted Circuit Breaker Finder Electrical Tool with Transmitter Fuse 110V Circuit Meter for Home Office Industrial
$17.22-19.43
Min. Order: 5 pieces
Top-rated Automatic Circuit Breaker Finder with Transmitter and Receiver 220V LED Light Alarm Circuit Probe Tester Electrical
$17.22-19.43
Min. Order: 5 pieces
Digital Tint Meter with ATC Measuring VL Visible Light UV IR Transmittance Rejection of Solar Film Window Tint Tool
$62.28-69.20
Min. Order: 5 pieces
Digital Durometer 0 to 100HC LCD Display Pocket Size Tester High grade Probe Shore C Hardness Meter Foam Sponges Soft Rubber
$12.40-14.92
Min. Order: 5 pieces
Wholesale Digital Ultrasonic Thickness Meter 0.9 - 400mm High Accuracy Thickness Gauge Tester Aluminum Steel PVC Iron Zinc OEM
$159.90-174.90
Min. Order: 10 pieces
Digital Ultrasonic Thickness Gauge Meter 0.9~400mm Range Aluminum Steel Cast Iron Pipes PVC Red Copper Glass
$174.70-188.31
Min. Order: 1 piece
Portable Leucometer 0 to 120 Range Reflectance Meter 254 Data Memory High Quality Digital Whiteness Tool Talcum Powder Ceramic
$89.00-109.00
Min. Order: 1 piece
Portable Ultrasonic Thickness Meter Tester Gauge Metal and Non-Metal 1000~9999m/s Measurement
$57.90
Min. Order: 10 pieces
High Quality Socket Tester Outlet Polarity Detector With LED Light Test Indicator Wiring Tool for Standard Outlets Receptacles
$2.69-3.24
Min. Order: 5 pieces
Professional Networking Cable Tester Inspection Device Tracer Wire Tracker With Earphone for Telephone, Internet, Wiring
$17.95-20.25
Min. Order: 1 piece
Digital Socket Tester Receptacle Detector with Red Light Test Result Indicator Outlet for GFCI / Standard 3-Wire 120V Receptacle
$5.66-6.81
Min. Order: 5 pieces
Portable Gas Leak Detector Natural Gas Detector Combustible Gas Sniffer with Audible & Visual Alarm
$13.45-15.17
Min. Order: 1 piece
Dual Range Voltage Tester Non-contact Detector 12V-1000V/48V-1000V Live & Null Wire Detection Electrical Tool Breakpoint Finder
$5.37-6.46
Min. Order: 1 piece
Foldable Angle Finder Spirit Level Ruler 28-Inch with Magnet 180dedgrees Measurement Woodworking, Carpenters Fabricators Tool
$18.51-20.89
Min. Order: 1 piece
Mini-size Digital Hydrogen Sulfide (H2S) Gas Detector With Audible Visual Vibration Alarm Function Advanced MCU Control
$58.07-64.52
Min. Order: 5 pieces
DIgital Air Quality Monitor 5-in-1 CO2 Formaldehyde TVOC Humidity Temperature Analyzer with NDIR Sensor Audible Alarm
$21.42-24.17
Min. Order: 5 pieces
Digital CO2 Carbon Dioxide IAQ Monitor Meter Relay Function 45m Cable NDIR Sensing Probe for Green House Home Office Factory
$93.90-108.90
Min. Order: 1 set
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
Digital CO2 Controller Greenhouse CO2 Sensor 4.5m Remote Automatic Day-Night Detection Functionality Grow Rooms Homes Offices
$93.90-108.90
Min. Order: 1 set
CO2 Controller Greenhouse CO2 Control Grow Tent Carbon Dioxide Sensor Dual Control Function with 15ft Remote C02 Monitor
$92.90-107.90
Min. Order: 1 kilogram
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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
42 sold
Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Test Jewelry Identifier Tool Equipment
$73.75-81.94
Min. Order: 2 pieces
8 sold
Compact Portable Sound Level Meters Calibrator 94dB 104dB 114dB Noise Calibration Level for 13.2mm Microphone Size
$48.10-53.44
Min. Order: 1 piece
12 sold
LUCKY FF918-CWLS Color Display Bait Boat Fish Finder with 300m/980ft Wireless Operating Range(OEM Packaging Available)
$99.45-115.90
Min. Order: 1 set
9 sold
New Digital Window Tint Meter 0-100% Light Transmission Transmittance Tester 4000 Continuous Measurement for Car Window Vehicle
$85.98-95.27
Min. Order: 5 pieces
3 sold
2-in-1 WBGT + HI Heat Index Checker Wet Bulb Globe Temperature Heat Stress Meter with Dangerous Level Indicator Audible Alarm
$18.73-21.14
Min. Order: 5 pieces
50 sold
Dual Channel Thermocouple Thermometer K/J Probes Temperature Measurement Wired & Stainless Steel Probe
$14.80-16.71
Min. Order: 5 pieces
10 sold
Digital 0~100HD Range Tester Digital Shore D Rubber Plastics Durometer Hardness Meter Self Calibration (OEM Packaging Available)
$16.64-18.78
Min. Order: 1 set
6 sold
High Quality Digital Electromagnetic RF Field Strength Tester EMF Meter RF Gauss Meter 20mG Warning Indicator
$104.62-115.93
Min. Order: 1 piece
88 sold
Digital Lux Meter Light Sensor Tester with Data Logging Function 0-200,000 Lux Range Detachable Sensor for Cinematography, Etc
$22.20-25.06
Min. Order: 5 pieces
10 sold
Top-ranking products
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Pocket Diamond Tester UV Light Gemstone Tool Selector 2pt Stones Compact Design Audible Warning Sound Buzzer With Vinyl Pouch
$29.75-33.57
Min. Order: 2 pieces
2 sold
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Top-grade 10x Magnification Jewelers Loupe Multifunctional Scale Magnifier Rechargeable Battery 6 LED Light for Stamps Antiques
$16.93-19.10
Min. Order: 2 pieces
Pocket-size 20x Jewelry Loupe Magnification High-quality W/ Optical Glass Triplet Lens, Stainless Body, Foldaway Watch Repair
$5.12-6.16
Min. Order: 5 pieces
High Quality OEM Jewelry Magnifier with Built-in LED Light 18mm Diameter Optical Glass 10X Loupe for Gems Rock Stamps Antiques
$2.90-4.90
Min. Order: 200 pieces
New Trend Jewelry Tool Optic Lens Rechargeable with 6 LED and UV Light 22mm Diameter Mini Gem Loupe for Relic Enthusiasts
$10.56-12.70
Min. Order: 5 pieces
Top Quality 10X Hasting Jewelry Loupe Mini Portable Triplet Lens Stainless Steel Body, Foldaway Design Pocket-size
$4.58-5.47
Min. Order: 5 pieces
10 sold
10x Magnification Jewelry Loupe, 20.5mm Triplet Lens Achromatic Metal (Aluminum) Black Frame Magnifying Tool
$5.75-6.92
Min. Order: 2 pieces
10 sold
Handheld Heavy Duty Jewelry Tool and Gemstones Gemological Testing 15mm Diameter Calcite Dichroscope Trichoic Gem for Gemologist
$20.25-22.86
Min. Order: 2 pieces
53 sold
Quality Wholesale 21mm 8mm Dual Magnification Foldable Loupe 10x and 25x Magnification Jewelry Magnifier for Stamp Banknotes
$6.90-7.90
Min. Order: 200 pieces