Complete Electrical Testing: The tester checks electric brakes as well as all trailer lighting functionsturn signals, brake lights, tail lights, and reverse lightshelping you verify wiring accuracy and maintain electrical safety and reliability.
Rugged & Long-Lasting: Featuring a durable metal socket and a tough waterproof carrying case that resists UV exposure, impact, heat, and vibration, its designed to withstand demanding work environments.
All-in-One Trailer Testing, Made SimpleTest smarter, not harder. This trailer tester box lets you quickly check lights, electric brakes, and wiring with convenient smartphone control, built-in battery power, and wide connector compatibility. One tool, total confidenceanywhere, anytime.
One-Person Testing. Zero Back-and-Forth. Control the tester remotely and handle the entire inspection by yourself. No running back and forth, no extra help neededjust faster testing and higher efficiency on every job.
Built-In Power for Anywhere You WorkWith a 12V 10Ah rechargeable LiFePO4 battery, this tester works without external power. Perfect for roadside checks, job sites, and remote areas where outlets arent available.
Panel Control or SmartphoneYour ChoiceUse the built-in control panel for quick checks or switch to smartphone control for long-distance operation. Flexible control that adapts to every testing situation.
One Device for Testing All Types of TrailersCompatible with 7-way flat (spade) connectors and includes 6-way round pin and 4/5-pin adapters. No need for multiple toolsthis single tester handles them all.
Comprehensive Electrical System Fault DiagnosticsTest 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.
Multi-Scenario Use, a Professional ChoiceIdeal 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.