Similar to the SabreLite 2010 Recoil LED but with a voltage regulated LED that extends peak brightness. Recoil LED Technology results in a true collimated beam that cuts through thick smoke, fog, and dust. It is powered by 3 C alkaline cells. Features: Voltage regulated LED that extends peak brightness Recoil LED Technology produces a white collimated beam that's as bright as an incandescent light Provides 10,000 hours of lamp life Extended battery burn time Rugged, light weight ABS resin body Submersible to 500 feet Twist on/off lens shroud eliminates accidental discharge Powered by 3 C alkaline cells (not included)