[Multi-functions]Each light has 11 high quality LED diodes, providing maximum visibility. Functions as marker, side marker, parking light, stop light, turn signal light, tail light and brake light, meet ALL your need. [Highly Sealed & durable] LED Light Bar the front Polycarbonate lens is sonically welded to the housing and the back wire lead is add on glue to make sure the light is completely sealed. IP67 Waterproof , no worry about water entering in. Waterproof enough to withstand all weather abuse. [Simple Wire Connection] White wire for ground, black wire for low brightness tail light, and red wire for high brightness brake light. [Flexible Mounting]They have 2 existing screw holes to go through the back wire, Just fix two ends with two screws. Can be mounted horizontal, vertical or at an angle. [Wide Application]This LED light Bar can be perfectly used on most 12V heavy duty trucks, semi trailers, cargo trailers, boat trailers, travel trailers, horse trailers, RV camper work vehic