5.4" overall. Water resistant. Impact resistant. Rechargeable. Clip. SOS strobe. Lanyard. Modes: Turbo (3000 lumens); High (1500-1100 lumens, 4m+2.5h runtime); Medium (500 lumens, 6h runtime); Low (150 lumens, 20.3h runtime); Moon (5 lumens, 120h runtime). 226m beam distance. USB-C charging. Tactical tail switch. Requires (1) Lithium battery (included). Aluminum construction. Color: Black. Boxed with hanging tab.