Environmental – Gain Express Wholesale Deals

MSC-555 Handheld 500X Digital Microscope, Portable Folding Magnifier with Auto Focus, 8 LED Lights, 2.0 IPS Screen, PC Support Windows & macOS, Rechargeable Battery with 8GB TF Card for PCB Repair, Textile Inspection, Coin Collecting. etc.

Regular Price $21.90 USD

GEM-552 10X Magnification Loupe 5 White and 5 UV LEDs Rechargeable Scale Loop with Metal Body Detachable Glass Reticle for Jeweler, Watch Repair, Coins, Stamps, Gemstones

Regular Price $21.90 USD

WQM-553 8-in-1 Wifi Tuya Smart Swimming Pool Water Monitor for pH / Temperature / TDS / Electrical Conductivity / Salinity / Chlorine / Specific Gravity / ORP for Pool, Spa, Tubs

Regular Price $87.90 USD

AQM-551 Portable CO2 Detector Carbon Dioxide Gas Monitor 0~10000ppm with Alarm Indicator, 7605 Data Logging Capacity, Color Display, USB Rechargeable IAQ Analyzer for Petroleum Industry, Metallurgy Laboratory & Scientific Research

Regular Price $51.90 USD

MNG-550L Digital Low-Pressure Single Refrigerant Manifold Gauge with Leak Test Function and Control Valve, -14.5~800psi, 88 Available Refrigerants for HVAC Auto AC Repair Tool

Regular Price $41.90 USD

MNG-550H Digital High-Pressure Single Refrigerant Manifold Gauge with Leak Test Function and Control Valve, -14.5-800 psi, 88 Available Refrigerants for HVAC Auto AC Repair Tool

Regular Price $41.90 USD

MNG-549 Digital Refrigerant Manifold Gauge Set, 800PSI HVAC Vacuum Pressure Tester with Pressure Holding Leak Test Function, Backlight LCD Display, Supports 88 Refrigerants for R410A R134A R22 R32 R290 R1234YF

Regular Price $96.90 USD

TC-8100 Digital Handheld Dust Particle Counter PM2.5, PM10 AQI Tester Data Logging Function up to 999 Set

Regular Price $173.90 USD

EMF-541 2000W Solar Panel Tester MPPT Photovoltaic Meter with Data Storage, Full Protection & Color Screen | Portable PV Panel Tester for Testing, Installation & Maintenance

Regular Price $29.99 USD

WQM-546 Multi-Parameter Water Quality Tester – UV Absorbance for COD/TOC/UV275, EC/TDS/Salinity/GH/S.G./Temp, Intelligent 4-Color Score, Auto Temp Compensation – for Tap, Purified, Ground, Seawater & Aquaculture

Regular Price $39.90 USD

SAL-543 Salinity and Temperature Meter Digital Salinometer 0–199.9 ppt ATC with LCD Backlight, High Precision 2-in-1 Pen Tester for Aquarium, Fish Pond, Marine Tank, and Swimming Pool

Regular Price $11.90 USD

SQM-545 Smart Solar Soil Sensor Wireless Conductivity, Moisture, Temperature APP Monitoring IP66 Waterproof Works with Android & iOS for Gardens, Farms, Greenhouses

Regular Price $24.90 USD

HTM-548 Digital Large Screen Hygrometer Temperature and Humidity Measurement with Adjustable Visual/Audible Alarms with External Sensor Indoor Tester

Regular Price $26.90 USD

SLM-547 Sound Level Meter 30~130dB Decibel Meter Sound Noise Detector 0.1dB Resolution, High Precision SPL Tester Backlit LCD

Regular Price $7.90 USD

CIR-540 Digital Circuit Breaker Finder with GFCI Tester & NCV Detection Electrical Circuit Tracer High Accuracy Colored Display Audible and Visible Light Indicator

Regular Price $34.90 USD