Dual Switch Technology – Access variable lighting modes via the tail cap or the head-mounted switch; switches operate independently for greater flexibility Three modes and strobe: High for a far-reaching beam with maximum illumination: 800 lumens; 438 m beam; runs 1.5 hours; 48,000 candela Medium for bright light and longer run time: 400 lumens; 310 m beam; runs 2.5 hours; 24,000 candela Low for a less intense beam and extended run time: 200 lumens; 219 m beam; runs 5 hours; 12,000 candela Strobe for disorienting or signaling: runs 3 hours 3-cell, 3.6 Volt NiMH sub-C battery, rechargeable up to 1000 times Charging: Steady charger: Fully recharges within 16 hours Smart charger: Fully recharges within 4.5 hours (5V/1A USB input) or 3 hours (12V DC input) Smart PB charger: Fully recharges within 7.5 hours (5V/1A USB input) or 4 hours (12V DC input) Machined aircraft aluminum body with non-slip rubberized comfort grip IPX4 water-resistant; 3 meter impact resistance tested Unbreakable polycarbonate lens with scratch-resistant coating Deep-dish parabolic reflector produces a long-range targeting beam with optimum peripheral illumination Regulated run time provides consistent performance throughout battery life 9.65 in (24.51 cm); 14 oz (396 g) Serialized for positive identification Limited lifetime warranty