Tri Flood Pro Flashlight 21700

4" overall. Water resistant. Impact resistant. Clip. LED. Three modes + Turbo: Turbo (10,170 lumens), High (2,450 lumens), Medium (600 lumens), and Low (85 lumens). Sapphire front lens. Aluminum reflector. Comes with extra O-rings. Weight with battery: 6.7oz. Requires (1) 21700 battery (not included). Aluminum construction. Color: Blue.