‎Recessed mount with grommet and Mounts in any 360 degree position, Accepts industry standard 3-prong plug, Compatible with 12V DC systems, Round LED trailer tail light serves 3 functions: Stop light,

4Pcs 4 Inch Round Led Trailer Tail Lights Red 12 LED Waterproof 4″ Brake Stop Turn Tail Marker Trailer Lights Sealed Flush Mount for Truck Trailer RV Boat Jeep UTE UTV 12V Grommet and Plug Included