Partsam 2Pcs Oval 6-1/2" Red Led Trailer Tail Lights 21LED Surface Mount LED Brake Stop Turn Tail Light Trailer Truck RV Sealed Faceted Trailer Taillights w Red Reflector Flange Mount

7-1/2" Surface Mount (Flange Mount) 21 LED Truck Tail Light , Side Led Marker Trailer Marker Lights, Led Tail Lights, Turn Signal light, Rear Lights, Truck & Trailer Brake Stop Lights, RV Light 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; 4 Screw holes for mounting and HARDWIRED with 4 wire pigtails: White = Negative, Black = Positive Tail Light, Red= Positive Brake Light; 21 Diodes: Each individual diode has a round pearl-shaped reflector giving the light a clean,custom look and superior light distribution Work on 12v DC: 3 wires with 2 steps Brightness, Can Modify for Signal Light, Flash Light , Emergency Light ( Flasher relay or Controler not included ) Suitable for most cars, SUVs, or trucks, trailers, tractors, semi-trailer, Dump, bus, boat, special vehicle,etc. For Heavy Duty trucks like Peterbilt, freightliner, international ,Kenworth, mack and lorries. Weatherproof ready for exterior mounting.