Test smarter, not harder. This trailer tester box lets you quickly check lights, electric brakes, and wiring with remote control convenience, built-in battery power, and wide connector compatibility. One tool, total confidence—anywhere, anytime.

Control the tester remotely and handle the entire inspection by yourself. No running back and forth, no extra help needed—just faster testing and higher efficiency on every job.

With a 12V 10Ah rechargeable LiFePO4 battery, this tester works without external power. Perfect for roadside checks, job sites, and remote areas where outlets aren’t available.

Use the built-in control panel for quick checks or switch to the wireless remote for long-distance operation. Flexible control that adapts to every testing situation.

Compatible with 7-way flat (spade) connectors and includes 6-way round pin and 4/5-pin adapters. No need for multiple tools—this single tester handles them all.

Test turn signals, brake lights, tail lights, reverse lights, and electric brakes with precision. Quickly verify wiring and spot issues before they become safety risks on the road.

Ideal for daily self-checks, emergency diagnostics, and professional repair shops. A must-have tool for trailer technicians, logistics professionals, and frequent trailer users who need fast, accurate results.

Product description