Portable Trailer Light Tester Box with 12V Battery & Wireless Remote | 7-Way Round & Flat Pin Compatible
Diagnose trailer lighting issues in seconds with our all-in-one Portable Trailer Light Tester Box. This essential tool for RV owners, truckers, and mechanics features a powerful built-in 12V 10Ah rechargeable battery for cordless operation anywhere, plus a convenient wireless remote control for solo testing. Engineered for universal compatibility, it seamlessly fits all standard 7-way round RV connectors and 3, 4, or 5-pin flat trailer plugs, coming with a dedicated 7-pin tester plug. No more guessing games—instantly verify the functionality of brake lights, turn signals, tail lights, and reverse lights on any trailer before you hit the road. Ensure safety and compliance, prevent costly fines, and avoid the frustration of faulty connections. Its compact, durable design is built for the job site, home garage, or roadside emergencies. Key features include a clear LED display for easy signal identification, a robust carrying handle, and a complete, self-contained system that eliminates the need for a tow vehicle during testing. Simplify your pre-trip checks, streamline your repair workflow, and gain peace of mind knowing your trailer’s lighting system is fully operational. This tester is the professional-grade, user-friendly solution for reliable, efficient trailer maintenance and safety verification.