‎Center red LEDs act as backup lights, reverse lights, Outer band of LEDs functions as Turn signal light, Tail light, Brake light, Recessed mount with grommet

Partsam 2Pcs 6.3″ inch Oval Truck Trailer Led Tail Stop Brake Lights Taillights Running Red and White Backup Reverse Lights, Sealed 6.3 inch Oval led Trailer Tail Lights w reflectors Flush Mount