The Diamond Tail Light features two threaded studs for easy mounting on most flat surfaces. A 12 Volt 21/5 watt dual filament bulb allows this to be used as a running and brake light. Features a chromed plastic body, red acrylic lens, and a clear acrylic lens for license plate illumination. Measures 2-3/4" high, 5-1/2" wide and 2-1/4" deep.