Red Hound Auto (4) 6" Oval Amber LED Parking OR Turn Signal Light Flush Mount Trailer Truck (4) Red Hound Auto Single Function Amber Trailer Light 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