Innovative Lighting's LED Shortie Livewell/Bulkhead Light operates on 9 to 16 Volts DC. It includes a grommet mount, rubber grommet and 6.5 in. 18 AWG wires. This light is water, shock and vibration proof. The LED Shortie Livewell/Bulkhead Light is round in shape and features a 1 in. diameter and a 0.68 in. depth. The single LED design requires a 0.075 in. hole and 0.52 in. depth for installation. Rated at 100,000 hours of service life.