Partsam 4x Red/Amber 6" 10 LED Oval Stop Turn Signal Tail Brake Parking Lights w/Chrome Bezels for Trailer Truck Boat RV Jeep Trucks, 6" Oval LED Trailer Tail Light Kit DOT Certified Partsam (2Red + 2Amber) 10 diode LED Oval Lights with 4 screw holes for mounting; Outside surface mount measures 7 1/2" L x 3 1/4" W. Actual light measures 6 3/8" L x 2 1/8" W. DOT approved. Includes 2 Poly CHROME Trim Rings (snap-on). These are chrome plated. 6 inch polycarbonate housing/lens with poly mount and 3-pin hardwired. Waterproof, for use on Cargo, Van, Utility Car, RV, Boat Trucks, Trailers, Tractors, Semi-trailer, Dump Truck, Special Vehicle, etc. EASY TO INSTALL: White Wire - Ground; White + Red - high 100% brightness; White + Black - low 50% brightness.