(2) BRIGHT 7 LED Round Tail Lights with Rubber Grommets and Wire Pigtails 7 LED. DOT Approved. Reflector style light for increased light output. Dual function. Lens dimension is 4" and the light has a depth of 2" once installed. Requires a cutout hole of approx. 4 1/2". These Lights are impact resistant and less susceptible to shock damage. Each LED Light is water-tight sealed. These LEDs draw less current, generate less heat and are brighter and light faster than an incandescent bulb. 12 Volt Input.