Multi-function, push button tactical tail switch. Light Output: High- 8,800 candela (peak beam intensity), 160 lumens; Low- 2,300 candela (peak beam intensity), 40 lumens. Optimized electronics provides regulated intensity Run times: High- Up to 2 continuous hours; Low- Up to 7.5 continuous hours. Lithium ion battery is rechargeable up to 500 times; fully recharges in 3 hrs. Fits existing Strion chargers. Clamp style charger holder with digital control circuit that prevents over charge; LED indicates charge status IPX4 rated design for water resistance. 5.9"; 5.22 oz. 6000 series machined aircraft aluminum with anodized finish. Borofloat high temperature glass. Multi-function, push button tactical tailswitch. Grooved barrel adapts to long gun mount. Lithium Ion battery recharges while in the light.