5.25 Inch overall. Water resistant. Impact resistant. Rechargeable. Modes: Lumin Shield (9900 lumens); Search (6000 lumens); High (2000 lumens, 3h runtime); Mid (500 lumens, 4h runtime); Low (130 lumens, 17h runtime); Ultralow (30 lumens, 65h runtime). 450m beam distance. Dual stage tactical tail buttons. Two lockout modes. Power indicator. Optical lenses with double-sided scratch resistant coating. Stainless strike bezel. Tactical ring. Requires (1) Lithium battery (included). Aluminum construction. Color: Black. Boxed.