Streamlight Proolymer Yellow 3 C Alkaline Battery-Powered LED Flashlight featuring wrist lanyard connection runs up to 336 hrs. Flashlight with spring-loaded clip consists of 10 ultra-bright LEDs. WaterProf flashlight is impact and shock resistant. Flashlight is suitable for industrial, personal Safey, fire department and construction applications features unbreakable polycarbonate lens with scratch resistant coating.