Designed for maximum illumination with a wide beam to light an entire area - Features TEN-TAP programming which allows the user to select one of three different programs: - High/medium/low; 2.) High only; 3.) Low/medium/high - Three lighting modes: - High for super-bright light with far-reaching beam distance; 635 lumens; 8500 candela; 184m beam distance; runs 1.75 hours - Medium for bright light and longer run times; 105 lumens1450 candela; 76m beam distance; runs 8 hours - Low for extended run times and when a less intense beam is ideal; 20 lumens; 280 candela; 33m beam distance; runs 36 hours - Solid State power regulation provides maximum light output throughout battery life - 90 degree tilting head reduces neck fatigue - Powered by two 3V CR123A lithium batteries (included) - Durable anodized aluminum construction; gasket-sealed glass lens - IPX4 water-resistant; 1 meter impact resistance tested - Ships with rubber helmet strap installed; also includes adjustable elastic headstrap - 6.8 oz. (187g)