5.5 Inch overall. Water resistant. Impact resistant. Clip. Rechargeable. High performance cool white LED. TIR optic lens. Dual switch operation. Modes: Turbo (2300-800-250 lumens, 2.5+160+39m runtime); High (800-250 lumens, 166+39m runtime); Medium (200 lumens, 13h runtime); Low (15 lumens, 130h runtime); Moon (1 lumen, 55 day runtime). 300m beam distance. MCC3 USB magnetic charging cable. Comes with holster. Limited edition. Color: Nocturnal Sentinel. Requires (1) 21700 battery (included). Aluminum construction. Boxed.