ETCR2000 Digital Clamp Ground Resistance Tester - 0.01~1000Ω Earth Resistance Meter with Loop Measurement, 99 Data Storage & Alarm System - Perfect for Electrical Maintenance, Industrial Safety & Power System Testing

High Precision Shooting Speed Tester 30-6500fps Muzzle Velocity Chronograph with Tripod Stand - 80 Data Sets Memory - Ballistics Testing, Airsoft, Paintball & Physics Experiments (Ideal for Range Shooting & Science Labs)

YIWANGO 4-in-1 Digital Water Tester - Portable TDS, PH, EC & Temperature Meter for Drinking Water, Aquariums, Pools & Hydroponics | Water Quality Testing Pen for Home, Lab & Outdoor Use

IRONWALLS 5Mpa Hydrostatic Test Pump - Manual Hydraulic Pressure Tester for Water Pipes with Gauge & 2 Gallon Tank - Detect Leaks in Plumbing, Irrigation & HVAC Systems

BT200 Pro 12V/24V Car Battery Tester - Quick Cranking & Charging Diagnostic Tool for Motorcycle, Truck, SUV & Auto Maintenance | Perfect for Home Garage & Roadside Emergency Use

High Precision 0.2% LCR Meter - Handheld Digital Bridge with TFT Display, Capacitance & Inductance Tester, Portable Multifunction Multimeter with Rechargeable Battery for Resistance & Transistor Testing (ET432) - Ideal for Electronics Repair, Lab Testing & Component Analysis

Professional MESR-100 ESR Capacitor Tester - Digital Ohm Meter for Measuring Internal Resistance & Capacitance - SMD Test Clip Included - Ideal for Electronics Repair, Circuit Testing & DIY Projects

Haofy Portable Digital Water Quality Tester - Dissolved Oxygen Meter, TDS Meter & Aquaculture Analyzer with Backlight | Perfect for Aquariums, Pools, Hydroponics & Water Testing

Portable Gas Detector - Gas Clip 4 Multi-Gas Monitor with LCD Display, Sound/Light Alarms & Shock Protection | Rechargeable Air Quality Tester for Industrial Safety | Perfect for Confined Space, Oil Rig & Construction Site Monitoring (2-Year Warranty)

High Precision Shooting Speed Tester 30-6500fps | Muzzle Velocity Chronograph with Adjustable Tripod | 80 Data Sets Memory | Ballistics Testing, Airsoft, Paintball & Physics Experiments | Perfect for Range Practice & Science Labs

12V/24V Automotive Circuit Tester with LCD Display - Short Circuit Detector for Car, Truck & Trailer Battery Electrical Systems - Perfect for DIY Auto Repairs & Vehicle Maintenance

Mohs Hardness Test Kit 2-9 - Scratch Tester Pen with Storage Box for Mineral Identification, Gemstone, Jewelry & Industrial Use - Perfect for Geologists, Jewelers & DIY Enthusiasts

High Precision Digital Coating Thickness Gauge 0-1250μm - Accurate Paint & Metal Thickness Tester for Automotive, Industrial & DIY Projects | Portable Measuring Tool for Quality Control & Surface Inspection

StarTech.com Professional Multi-Function RJ45 RJ11 USB BNC Cable Tester - Network Cable Tester for Ethernet, Phone, USB & Coaxial Cables - Ideal for IT Professionals, Network Installations & Home Office Use

250W DC 12V Battery Discharge Capacity Tester Module - Digital Electronic Load Battery Tester with LCD Display for RC Cars, Solar Systems, and Power Banks Testing

Professional Watch Pressure Tester & Waterproof Testing Machine - Dual Watch Case Resistance Tester with Transparent Cylinder for Watchmakers & Repair Shops | Perfect for Rolex, Omega, Seiko Water Resistance Testing & Quality Control

ASixxSix 5" LCD Digital Skin & Hair Analyzer - Rechargeable Follicle Detector, Facial Oil Magnifier for Home & Salon Use | Perfect for Skin Diagnosis, Hair Care & Beauty Treatments

Shore OO Hardness Tester Durometer - Digital Rubber Hardness Tester for Soft Materials (10-90HOO) - Ideal for Measuring Elastic Rubber, Foam, Gel & Soft Plastics in Industrial and Laboratory Applications

ETCR2100C+ Digital Clamp Earth Tester 0.01-1200Ω Multifunction Ground Resistance Meter with 0mA-20A Current Measurement & Light Alarm for Electrical Equipment - Perfect for Electricians, HVAC Technicians & Industrial Maintenance

4-in-1 Digital Water Quality Tester - pH, H2, Temperature & ORP Meter for Pools, Aquariums & Hydroponics | Monitor Hydrogen Ion Concentration & Redox Levels for Perfect Water Balance

KW818 OBD2 Scanner - Full Function Auto Diagnostic Tool with Fault Code Reader for Car, Truck & SUV | EOBD Compliant | Use for Engine, ABS, SRS & Transmission Diagnostics

YXMY2020 Digital HVAC Manifold Gauge Set - Freon & Natural Gas Leak Detector, Vacuum Pressure Meter, Temperature Tester with Hose | Perfect for AC Repair, Refrigeration Maintenance & Gas System Diagnostics

FMX-003 Electrostatic Field Meter - Digital ESD Tester for Static Electricity Measurement | FMX003 | Perfect for Electronics Manufacturing, Laboratory Testing & Industrial Safety Applications

Hilitand W-20 Portable Webster Hardness Tester - High Precision Metal Hardness Gauge for Aluminum Alloy & Soft Metals | Ideal for Quality Control in Manufacturing, Metalworking & Jewelry Making

5MHz Handheld Thickness Gauge - GM130 Digital Thickness Tester for Metal, Copper, Aluminum & Steel | Perfect for Quality Control in Manufacturing, Construction & Metalworking

Infrared Thermometer Handheld - MLX90640 Thermal Imager with Temperature Sensor, Portable Non-Contact Digital Thermometer for Body, Food, HVAC & Industrial Use

Digital Torque Meter Screwdriver Wrench - HP-10 Precision Torque Tester for Automotive, Industrial & DIY Projects | Measure & Calibrate Fasteners with Accuracy

Digital Paint Thickness Gauge - Professional Coating Measurement Tool with HD Display | Durable Paint Tester for Automotive, Marine & Industrial Applications | Chemical Resistant Surface Analyzer

Gauss Meter Surface Magnetic Field Tester - High Precision Tesla Meter with 2000mT/20KG Max Range (mT & G Units) for Industrial, Laboratory, and DIY Electronics Applications

Presidium Multi Tester III (PMuT III) - Professional Diamond Tester for Real Diamonds, Moissanite & Simulants | Accurate Jewelry Testing Tool for Gemologists & Jewelers | Perfect for Authentication in Pawn Shops, Jewelry Stores & Gem Labs

EVTSCAN High Accuracy Digital pH Tester Pen - Portable Water pH Meter with LCD Display for Food, Meat, Fruits, Pools & Hydroponics | Perfect for Home Brewing, Aquariums, Gardening & Laboratory Use

**Zwbfu Portable Digital Dissolved Oxygen Meter - DO Pen Type Water Quality Tester for Aquariums, Pools, and Hydroponics | Accurate Dissolved Oxygen Analyzer**

ERTUO Portable Alcohol Breathalyzer - High Sensitivity & Accurate BAC Tester for Car, Home & Personal Use - Includes 10 Disposable Mouthpieces - Ideal for Drivers, Safety Checks & Party Safety

ETCR2000A Digital Earth Resistance Tester Clamp - 0.01Ω to 200Ω Ground Resistance Meter for Electrical Safety Testing | Perfect for Industrial, Commercial & Home Electrical Maintenance

BFTGS Bullet Firing Speed Chronograph - Precision Shooting Chronoscope for Measuring Muzzle Velocity | Perfect for Rifle, Pistol & Airgun Ballistics Testing at Shooting Ranges & Hunting (Color: Black)

GM130 5MHz Portable Digital Thickness Tester | Ultrasonic Thickness Gauge for Steel & Metal | Measure Pipe, Tank & Structural Thickness