REQUIRED FOR 80" OR WIDER TRAILERS - If you own a trailer measuring 80" or wider then you need identification lights for additional visibility; mount this clearance ID light bar on the top of your truck/trailer or between the taillights to optimize the visibility of your wide trailer to ensure the safety of yourself and other motorists. | BUILT-IN BRAKE LIGHT & SEQUENTIAL TURN SIGNAL - Our trailer ID light bar boasts built-in brake light and turn signal functionality, on top of 3-light running light, for impressive versatility on all trailers; an industry-first! ** FUNCTION IS DISABLED FOR 2019+ VEHICLES WITH FACTORY TOW PACKAGES due to its default electrical settings. ** | WATERPROOF & SUBMERSIBLE IP67 RATED - Waterproof and completely-submersible for superior all-weather usability. | PREMIUM BUILD QUALITY - Unlike cheaper, poorly-built ID bars on the market, our ID light bar is crafted from only the finest, most durable material for excellent longevity; all the metal fasteners are sealed to further extend its lifespan. | COLOR CODED WIRING - All wiring is color coded to the industry standard for safe and straight-forward installation.