• Cree Premium (Q5) 7090 XR-E LED with lifespan of 50,000 hours • 2 modes with 6 types of output • General Mode: 9 lumens (35hrs) -> 47 lumens (6.5hrs) -> 94 lumens (2.6hrs) ->SOS • Turbo Mode: 180 lumens (1hrs) -> Strobe • Digitally regulated output-maintains constant brightness • Uses one 3V CR123A battery (Lithium) • 83mm (Length) x 21.5mm (Diameter) • Made of T6 aircraft-grade aluminum • Durable Type III hard-anodized anti-abrasive finish • 39-gram weight (excluding batteries) • Waterproof to IPX-8 Standard • Toughened ultra-clear glass lens with anti-reflective coating • Push-button tail cap switch • Capable of standing up securely on a flat surface to serve as a candle • Included accessories: holster, lanyard, two spare o-rings, and a rubber switch boot