5.5" overall. Water resistant. Impact resistant. Rechargeable. Anti-roll design. Clip. Modes: Momentary THRO (1000 lumens, 35sec runtime); Constant On (300 lumens, 3h runtime). 110m beam distance. Intuitive rotating thumb switch. USB-C cord included. Color: Bronze. Requires (1) Lithium battery (included). Aluminum construction.