"[Durable Material] Each side light is made of quality ABS + PC lampshade, sturdy and reliable, not easy to deform and break, service life up to 50,000 hours or more. > [Super Bright] Each side marker light is equipped with 8 LEDs, amber is more visible, stronger warning effect, clearly demarcates your vehicles in the dark, heavy rain or sleet. fog, ensure driving safety. [Ip67waterproof] Sealed components, waterproof, sandproof and dustproof, work well in extreme environments. [Easy to install] We prepared 2 pieces of screws for each trailer running light, convenient and easy to install.2 wire connection: black wire is for negative, color wire is for positive. [Wide Application] Universal for 12-24V vehicles and devices, like off-road vehicles, vans, trucks, trailers, SU V, ATVs, Vans, RVs, Boats, Trucks, Buses, etc. As long as the size is correct, you can install it anywhere: as side marker lights, roof lights, corner lights, tail lights, ID lights, fender lights, cab lights, side marker lights clearance, etc. Mudguard light/signal light/side marker light Installation position: rear/front/side For Trailer/Truck/Boat/Marine etc. Adopt updated LED beam, super bright for night driving safety IP67 waterproof , shockproof, impact resistant. Suitable for all weather Easy installation, energy saving, long service life."