5.31" overall. Water resistant. Impact resistant. Clip. Anti-roll design. Lanyard. Tailcap switch. CREE XP-G3 Neutral white LED. 185m beam distance. 500 lumens, 4h runtime. Requires (1) 18650 battery (not included), or (2) CR123A batteries (not included). Aluminum construction. Color: Black. Boxed with hanging tab.