Streamlight Proolymer Yellow 4AA Alkaline Battery-Powered Flashlight delivers 67 lumens and runs up to 155 hrs using white LEDs. Flashlight is equipped with Seven 100000 hrs life LEDs and momentary blink or constant on tail switch. Flashlight features water/impact resistant polymer construction, wrist lanyard connection and rubber face cap for impact and shock resistance. 6.5" O-ring sealed light has unbreakable polycarbonate lens with scratch resistant coating and meets applicable European community directives including ATEX Zone 1. It comes in blister package.