6" overall. Water resistant. Impact resistant. Clip. Rechargeable. Strobe. White-light emitter. Clear glass lens. Multi-function DUO switch. 1100m beam distance. Modes: High (400 lumens, 2h 15m runtime); Low (45 lumens, 4h 15m runtime); Momentary On (400 lumens). Requires (1) 18650 battery (included). Aluminum construction. Color: Black. Boxed with hanging tab.