• Cree XP-G (R5) LED with a lifespan of 50,000 hours • Uses one 1.5V AA (Ni-MH, Alkaline ) battery • 105mm (Length) x 21.5mm (Diameter) • 54-gram weight (excluding battery and holster) • Digitally regulated output - maintains constant brightness • Reverse polarity protection, to protect from improper battery installation • Anti-roll, slip-resistant body design • Tactical tail cap switch with momentary-on function • Side mode switch in the front • Made of durable aircraft-grade aluminum • Premium Type III hard-anodized anti-abrasive finish • Toughened ultra-clear glass lens with anti-reflective coating