6" overall. Anti-roll design. Water resistant. Impact resistant. Tailcap switch. SOS strobe. Strobe. Clip. CREE XM-L2 U3 LED. High efficiency circuit board. Side switch interface for one hand operation. Memory function. Toughened ultra clear mineral glass. 300m beam distance. Modes: High (1000 lumens, 1h 15m runtime), Mid (240 lumens, 7h runtime), Low (60 lumens, 33h runtime), Ultralow (1 lumen, 600h runtime). Spring loaded impact absorption mechanism. Requires (1) 18650 battery (not included), or (2) CR123A batteries (not included). Black nylon belt sheath. Aluminum construction. Color: Black. Weight:0.54lbs