10.88 in. of high-strength aluminum alloy case with O-ring sealed for water resistance in black It features adjustable spot to flood beam and rotating switch. Has two high intensity White Star Krypton Gas Lamps for enhanced brilliance and extended range. 12K Peak Beam Candlepower with 5 hours of continuous battery life and 36 hours lamp life. Takes 3-C alkaline batteries. Weighs 19.10 ounces with batteries.