LED: 1*Cree XM-L2 U2 LEDOutput/Runtime: 25 lumens (65 Hours) 170 lumens (11 Hours) 1000 lumens (2.5 Hours)Key Features: Prince Takes A Incredible Cool Design. The Body Shell Is Made From Sleek Carbon Fiber.Battery Type: 2 x CR123A or 1 x 18650Water Resistance/Impact Resistance: IPX-8 (2 Meters)/1.5 MetersSize: Length: 4.49" (114mm) Head Diameter: 0.87" (22mm) Body Diameter: 0.87"(22mm)Weight: 3.88oz(110g)