http://www.fenixlight.com/ProductMore.aspx?id=114&tid=12&cid=1
Features
·Uses Cree XM-L2 U2 LED with a lifespan of 50000 hours·Tri-fuel capable: USB charging/18650 Li-ion cell or 2﹡CR123Abatteries
·Tailored 3400mAh /3.6V rechargeable Li-ion battery
·147mm(Length)﹡25.4mm( Diameter)
·144-gram weight (including the battery)
·Digitally regulated output maintains constant brightness
·Anti-roll, slip-resistant body design
·Side switch in the head for fast and convenient operation
·Made of durable aircraft-grade aluminum
·Premium Type III hard-anodized anti-abrasive finish
·Toughened ultra-clear glass lens with anti-reflective coating