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

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

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

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

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

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

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

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

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

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

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

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

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

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)

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

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

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

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

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

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

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)

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

WDBBY BT200 Pro 12V/24V Car Battery Tester - Quick Cranking & Charging Diagnostic Tool for Motorcycle, Truck, SUV - Perfect for Auto Shops & Roadside Maintenance

Digital Gauss Meter - Handheld Magnetic Field Tester with Hall Probe (0-2400mT/24000G) for Electronics Repair, Industrial Safety & Scientific Research

High Accuracy 0.2% LCR Meter - Handheld Digital Bridge with TFT Display | Capacitance, Inductance, Resistance & Transistor Tester | Rechargeable Portable Multimeter for Electronics Repair, DIY Projects & Lab Testing (ET433)

Yencoly EC-770 Digital Thickness Gauge - Non-Destructive Coating Thickness Tester for Metal, Plastic, Glass & Ceramic with 3 Probe Modes & Low Battery Indicator | Perfect for Quality Control, Automotive, Construction & Manufacturing Industries

Professional Single Channel DC Electronic Load Tester - 150V 40A 200W Battery Capacity Tester with RS485/RS232 Interface & US Plug - Perfect for Lab Testing, Power Supply Evaluation, and Battery Performance Analysis

**WNSC Pipeline Plugging Tester - ABS Waterproof Probe with Adjustable Sensitivity, Scratch & Impact Resistant for Detecting Steel, PVC & Iron Pipes - Ideal for Plumbing, HVAC & Industrial Maintenance**

BT500 12V/24V Car Battery Tester - Cranking & Charging System Analyzer for CCA DIN IEC EN JIS - Perfect for Automotive Diagnostics & Battery Maintenance

GIRLVYAN 40A 200W Battery Capacity Tester - Lithium & Lead Acid Battery Analyzer with Charge/Discharge, CC/CP Discharge, CV Charging & Active Cooling - Perfect for Automotive, Solar & DIY Battery Testing

HD-225A Concrete Test Hammer Rebound Tester | 0.5N-0.8N Impact Range | -10℃ to 40℃ Working Temperature | for Concrete Strength Testing on Construction Sites & Building Inspections

4-in-1 Digital Water Quality Tester - PH, H2, Temperature & ORP Meter for Pools, Aquariums | Hydrogen Ion Concentration Monitor | Perfect for Swimming Pool Maintenance & Fish Tank Water Testing

AMPEREUS Digital TDS & pH Meter for Water Testing - Accurate PPM Tester for Total Dissolved Solids, Home & Commercial Use | Perfect for Aquariums, Drinking Water, and Pool Maintenance

Professional Jadpes Mechanical Watch Timegrapher Tester - Multifunctional Timing Machine for Mechanical Watches with 90-240V Power | Perfect for Watchmakers, Jewelers & Repair Shops to Test Accuracy & Performance

DPOFIRS Handheld RF Vector Impedance Antenna Analyzer Meter Tester - 50Hz-100kHz with 23 Frequency Points for Ham Radio, CB Antenna Tuning & Electronics Testing

Digital Clamp Ground Resistance Meter - LCD Auto Power Off Earth Ground Tester (0.01-200Ω) for Electrical Maintenance, Telecom, Weather Stations & Oil Fields | Ideal for Power Grid Testing & Industrial Electrical Safety Inspections