Streamlight ProTac HL Headlamp

Features TEN-TAP programming, which allows the user to select one of three different programs: 1. High/medium/low (factory default) 2. High only 3. Low/medium/high Three Lighting Modes: High for super-bright light with far-reaching beam distance; 540 lumens, 7,400 candelas; 172m beam distance; runs 1.75 hours Medium for bright light and longer run times; 95 lumens,1,200 candelas; 69m beam distance; runs 8 hours low for extended run times and when a less intense beam is ideal; 18 lumens; 250candela; 31m beam distance; runs 36 hours solid State power regulation provides maximum light output throughout battery life90 tilting head reduces neck fatiguePowered 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 head-strap Weight: 6.8oz (187g).