Length: 5.73". Head Diameter: 1.97". Tail Dimensions: 1.97"_1.02". Weight: 14.89oz (Clip Included). Utilizes 19 x CREE XP-L HD LEDs with a max output of 20,000 lumens. Max peak beam intensity of 22,200cd and max throw of 290 meters. Built-in 2 x 21700 rechargeable Li-ion batteries with USB-C charging port. Interchangeable Strobe Ready and Turbo Ready settings. Stable output up to 13 hours. Constructed from aero grade aluminum alloy with a HA III military grade hard-anodized finish. Optical lenses with double-sided scratch resistant coating. Impact resistant to 1 meter.