2.63" overall. Strobe. Water resistant. Impact resistant. Lanyard. Rechargeable. Clip. Anti-roll design. CREE XP-L HI LED. Modes: Turbo (1300 lumens, 3m + 1.1h runtime), High (900 lumens, 1.2h runtime), Middle (450 lumens, 3h runtime), Low (180 lumens, 8.5h runtime), Ultra-Low (60 lumens, 30h runtime), Moon (10 lumens, 140h runtime). 228m beam distance. Triple tail switches and Side Switch design. Memory function. Built-in intelligent temperature control. Low power battery indicator light. Includes: (2) O-rings, rubber cap, holster, and tactical ring. Requires (1) 18650 battery (included), or (2) CR123A batteries (not included). Aluminum construction. Color: Black. Boxed with hanging tab.