Uses as little as 14 watts compared to as much as 500 watts quartz dock lights for more than 90% energy savings! Crisp, clean white light at 5000K for better quality of light over incandescent or metal halide alternatives. The Dokstar L70 life is estimated at 100,000 hours or more, giving you a low maintenance long life. Units are listed to UL1598 for use in wet locations.