4.5” overall. Rechargeable. Water resistant. Impact resistant. Tailcap switch. Clip. Lanyard. Weight: 2.2oz. Modes: High (500 lumens, 2h runtime); Low (50 lumens, 8h runtime). Metal sleeve protects charge port. USB cord. 90m beam distance. Requires (1) Lithium battery (included). Aluminum construction. Color: Black. Boxed.