MAKINGTEC Trailer Tester Tool, 7 Pin 12V Socket Tester Light Electrics Diagnostic Test Tool Caravan RV Testing Truck Trailer Maintenance Plug Socket Inspection for Caravan RV Truck Trailer

🌐 WIDE APPLICATION: This 12V plug and socket tester is perfect for electric trailers, and it conforms to European standards. It is widely used in automobiles, caravans, recreational vehicles, and other vehicles.
⚙️ EASY TO USE: Simply insert the lighting and cable tester into the socket or plug to be tested, press the test button, and the LED display provides clear diagnostic information. It is easy to use and practical.
🔌 EFFECTIVE TRAILER TESTING: This 7 Pin Trailer Tester is perfect for testing the connection problem of 7-pin plugs and sockets on European cars.
💡 LED INDICATOR LIGHTS: Equipped with 6 LED indicators, this tester can accurately indicate any wiring failure in the car or trailer.
💪 HIGH-QUALITY MATERIAL: Made of high-quality plastic and copper, this trailer plug tester is lightweight, durable, and delivers safe and reliable performance.