5.25" overall. Anti-roll design. Strobe. Tailcap switch. Water resistant. Impact resistant. Weapon mountable. High (760 lumens, 2h runtime), Low (30 lumens, 29.5h runtime), and Momentary On. 175m beam distance. Lockout to prevent accidental illumination. Fits standard 1" weapon mount. Includes black nylon holster and wrist lanyard. Requires 2 CR123A batteries (included). Aluminum construction. Color: Black. Clam packed.