cciyu 2x15 Waterproof Red Sealed 11 LED Light Bar Truck Trailer RV Stop Turn Tail 3rd Brake Light Functions as Clearance, Side Marker light or Identification light, Stop light,Turn light, Tail light and Brake light Reliable performance over 100,000 hours, Waterproof, sealed body that is immune to shock and vibration. Thin, low-profile Stop-Turn-Tail Light Bar Combo. For use on: Heavy duty trucks, Semi-trailers, Cargo and Utility trailers, Boat trailers, Work vehicles and any wide or narrow motor vehicle DOT & SAE approved,Well made,this is a very dependable light bar, it is surface mount so the installation is quite easy. Bright enough will make your truck or trailer very noticeable!