12V Trailer Marker Lights Red & White Oval 6" Universal 2-Pc LED Trailer Tail Lights (Red Runnin 12V Waterproof Trailer Lights The hard shell can well protect the internal LED lights from impact and corrosion, and can be used normally in harsh environments such as heavy rain, snow, and dust. Awesome set of lights. Using as tail running lights, brake lights, and turn indicator lights. Looks great and very bright LED lights. Report this review 【Universal】The trailer lights led kit is compatible with almost all vehicles and equipment equipped with 12 volts DC power,such as truck, RV, trailers, camper, UTEs, UTVs, boat, caravans and trailer. HARDWIRED WITH 4 wires pigtails connection system: Black Wire - Negative / Red Wire - Brake Light / White Wire - Taillight or Running light / Yellow Wire - Reverse Light; These Lights are impact resistant and less susceptible to shock damage. Each LED Light is water-tight sealed 【Function】The led trailer lights serve as brake light, Stop light, tail light, Running Light, Backup Light and Reverse Light: Outer of LED comes with dual modes(high low Beam) and function as Stop Tail Brake Running lights; Center Clear/Amber LED act as Backup and Reverse Light. US 2-4 Pack 4 16 LED Round Led Trailer Tail Brake Stop Turn Lights Waterproof Using a 4-wire connection system for grounding, reversing, brake lights and running lights.