Vestil LED Dock Loading Lights models LL-LED-24, LL-LED-40, and LL-LED-60 are designed to reduce the incidence of broken bulbs and reduce maintenance expenses. There are no fragile filaments to break. LED Dock lights use 80% less energy than incandescent or halogen bulbs and achieve maximum light intensity instantly. Light is optimized for trailer illumination. Uses standard 115V power.