Durable machined aircraft aluminum body with non-slip rubberized comfort grip and push button on/off Three modes and strobe: High for a far-reaching beam with maximum illumination: 800 lumens; 438m beam; runs 1.5 hours Medium for bright light and longer run time: 400 lumens; 310m beam; runs 2.5 hours Low for a less intense beam and extended run time: 200 lumens; 219m beam; runs 5 hours Strobe for disorienting or signaling: runs 3 hours NiMH sub-C battery, rechargeable up to 1000 times Regulated run time provides consistent performance throughout battery life 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) IPX4 water-resistant; 3 meter impact resistance tested Unbreakable polycarbonate lens with scratch-resistant coating 9.23 in (23.44 cm); 13.6 oz (385 g) Serialized for positive identification Limited lifetime warranty