Portable Trailer Light Tester Box with 12V 10Ah Battery, Wireless Remote Control Operation, Fit for 7-Way Round & 3/4/5 Flat Pin Type (Trailer Light Tester Box, 1)

Patent Pending. Wireless Remote Operation: Trailer Tester Box with Battery comes equipped with a wireless remote control, allowing you to operate the tester from a long distance with precision. Say goodbye to the trouble of running back and forth for traditional testing. This makes the trailer light, brake, and brake-away system inspection so fast, very suitable for large parking lots/freight stations, etc.
Widely used: Trailer light tester with 3/4/5 -flat pin and 7-way round pin. Meets the testing needs of various trailer types, including motorhomes, container trucks, agricultural trailers, and yacht trailers. No additional adapter is required, and it can be quickly connected. Attached a 7-way trailer tester plug to check whether the main vehicle interface is normal. A one-stop solution to all problems encountered by trailers.
Safe and Stable: Trailer lights tester equipped with a 12V 10Ah Battery safety protection system effectively prevents device damage. Suitable for use outdoors and in remote areas without the need for an additional power source, turn a switch, that's it, no more backing the truck up and then replacing fuses in the truck just to check trailer lights.
Durable Performance: Compared with other plastic bodies, our all-metal body has higher strength and impact resistance, A long service life, and is designed for professional environments. It can still operate stably even in extreme environments of -20~60. Comes with installation instructions and a video for easy installation
Full-Function Testing: Independent detection module, which can accurately check abnormal turn signal flicker, Abnormal brake signal, Abnormal reversing signal, Abnormal driving light signal, and other faults with one/double click. Accurately checks wiring configurations to ensure the safety and reliability of the trailers electrical system.