Bulkhead/livewell light from Innovative Lighting operates on 9-16V systems. The shock and vibration-proof light provides 100,000 hours of service life. Efficient, single LED lighting with clear lens stays cool to the touch during operation . Waterproof construction will resist corrosion for long-lasting use. Requires 0.75" hole for installation. Uses 6.5" AWG wires. Light measures 0.68"D x 1" diameter.