Streamlight

C4 LED technology impervious to shock with a 50000 hour lifetime - Lithium ion battery is rechargeable up to 1000 times; fully recharges in 3 hrs. - Clamp style charger holder with digital control circuit that prevents over-charge; LED indicates charge status - IPX4 water-resistant; 2 meter impact resistance tested - 6000 series machined aircraft aluminum with anodized finish - Borofloat high temperature glass lens - Anti-roll head prevents the light from rolling away when you set it down - Grooved barrel adapts to long gun mount - 5.9 (14.99 cm); 5.2 oz. (148 grams) - Serialized for positive identification - Limited lifetime warranty - Assembled in USA