Knowing your target and what is beyond it is one of the most important aspects of shooting. Shed a little light on the darkness with NcSTAR Flashlights & Lasers. All of our Flashlights & Lasers are light weight and pact in design for extraordinary mobility without getting snagged on any obstructions. Whether you\"re an Officer fighting crime on the streets a Soldier on the front lines or a Home Owner protecting your family you can trust NcSTAR to illuminate the world around you. Specifications: All Aluminum Construction 635-655nm Red Laser Beam <5mw Specially designed Weaver style mount Standard on/off cap switch Includes 3 AG13 Lithium type batteries and mounting tool Dimensions (inches): 2.04Lx.93Wx1.09H Weight: 3 oz. with batteries