Trailer Plug Tester, Easy-to-Use RV Wiring Tester for Vehicles (Blue Label)

1. Smart Plug Tester: This plug tester can test all the functions of a car's 7-pin plug, and the entire operation is very simple. 2. Clear Indication: There are clear indicator lights and a label on the test tool; this tester quickly indicates if a fault is related to the wiring. 3. Wider Compatibility: One side can connect to a 7-pin trailer plug, and the other side can connect to a 7-pin car plug for testing. 4. Good ABS and Copper: Primarily made from high-quality ABS and copper material, it is unlikely to malfunction and has good durability for long-term use. 5. Convenient Carrying: With its compact size and light weight, the trailer plug tester is very convenient to carry. Specification: Item Type: Trailer Plug Tester. Material: ABS, Copper. Battery Specification: 9V battery, not included. Applicable Range: Suitable for testing 7-pin N-type trailer plug connectors. Trailers and recreational vehicles can also be used. Package list: 1 x Trailer Plug Tester Note: The tester is not compatible with the trailer's LED lighting unit.