Simple, Reliable Trailer Light Testing for Safer Driving Quick and Easy Operation: Plug directly into your vehicle's socket and instantly check your trailer lights. Builtin LED indicators make it easy to see which lights are working, reducing guesswork and saving time. Comprehensive Light Testing: Equipped with six visibility LEDs, this tester checks tail lights, brake lights, left and right turn signals, and auxiliary power. Ensure every connection is functional before hitting the road for maximum safety. Compact and Lightweight: Designed for portability, it fits easily in your glove box or toolkit. for keeping on hand during road trips, camping, or hauling equipment. Accurate Problem Detection: Quickly pinpoint wiring issues between your tow vehicle and trailer. Ideal for preventing delays and ensuring immediate resolution of electrical problems. Function and Compatibility: Compatible with standard towing sockets and wiring harnesses. Suits a wide range of vehicles and trailers including utility trailers, boat trailers, campers, and horse trailers. Built for Performance: Durable construction ensures reliable testing in a variety of conditions. The LED display is easy to read even in lowlight environments. Use Scenarios: 1. Before towing a boat to the lake, plug in the tester to verify all lights are functional, avoiding potential safety hazards on the road. 2. Prior to a crosscountry RV trip, quickly check your brake and tail lights for peace of mind and compliance with road safety regulations. 3. When hauling cargo for work, test your trailer connections to avoid downtime caused by faulty wiring. This portable tester offers an efficient way to maintain safety and performance with any tow setup, making it an essential tool for every driver who tows.