2.63″ overall. Water resistant. Impact resistant. Strobe. Weight: 2.64oz. FLEX Rear switch model. Integrated red laser sight. Ambidextrous operation. Safe off feature. Key kit (included) to securely fit a broad range of weapons. Secure side mounting. 500 lumens. 1.5 hour runtime. Requires (1) CR123A battery (included). Aluminum construction. Color: Black. Boxed with hanging tab.