cciyu 4 Pcs Clear Lens Red LED 15" Waterproof Sealed 11 LED Light Bar Truck Trailer RV Stop Turn Tail 3rd Brake Light (red lens red light) Thin, low-profile Stop-Turn-Tail Light Bar Combo. Reliable performance over 100,000 hours, Waterproof, sealed body that is immune to shock and vibration. For use on Heavy duty trucks, Semi-trailers, Cargo and Utility trailers, Boat trailers, Work vehicles and any wide or narrow motor vehicle requiring quality DOT rated lighting. Functions as clearance light,side marker light or identification light, stop, turn, tail and brake light 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!