Three high-powered 3-watt LEDs provide 1,000,000 candlepower, but still have a low 0.7 amp power draw. Tough construction includes a UV and impact-resistant housing with polycarbonate lens and shock-resistant LED bulbs. Comes with an adjustable stainless steel bracket and an adjustable clamp to fit a standard 3/4" - 1" dia. T-top ring. Light measures 5"W x 3-7/16"H x 2-3/16"D.