Goldjoy-New CREE UV 3w Ultraviolet LED Bulb for Ultrafire,Surefire, Hugsby, Flashlight Torch Etc. To Receive The Lifetime Warranty & The AMERICAN Made Version Of This Bulb You Must Purchase From *** TacticalGearWorld *** All other sellers here ship Chinese versions and are JUNK. *** Buy AMERICAN *** Buy TacticalGearWorld *** CREE UV 3w Ultraviolet LED Bulb for Flashlight Torch solarforce 6P G2 Ultrafire 501B 502B C1 Batteries:Lithium 2xCR123A/RCR123A,1x18650 Operating voltage: 3.7V - 9V Size(mm): 26.5(Diameter) Durable aluminum reflector With an OP textured reflector