Red Hound Auto (4) 6" Oval Clear LED Reverse Back-up Light Flush Mount Trailer Truck (4) Red Hound Auto Oval Trailer Light Lights up white/clear 10 LED super diodes 12 Volt Fits in a standard 2-1/2" x 6-3/4" oval hole Lights are lab-tested for brightness and to withstand vibration, wet conditions, movement; Great for marine or trailer applications Poly carbonate housing with rubber grommet