Impact and shock resistant LED flashlight that provides 336 hours of run time. Flashlight Features: . Powered by 3 "C" alkaline batteries . 10 ultra-bright 100,000-hour life LEDs . 85 lumens typical with 10 white LEDs, blue LEDs also available . Runs up to 336 hrs. . 8.55" . 13.5 oz. . Waterproof . Features a wrist lanyard connection and a spring-loaded clip