Great upgrade for any Kel tec ks7 Shotgun owner for faster target acquisition and acquire targets with ease. The red laser is built to match your weapon, with hard-anodized aluminum construction. Improve your shot and a sure lifesaver for home defense. Our Red laser features: Fully adjustable for Windage and Elevation On/Off Rear Cap Switch is easily turned On or Off with your trigger finger Specifications: All Aluminum Construction 635-655nm Red Laser Beam <5mw Standard on/off cap switch Includes 3 AG13 Lithium type batteries and mounting tool Dimensions (inches): 1.61Lx1.04 Wx1.19H Weight: 1.2oz. with batteries Lightweight low profile base Picatinny rail for Keltec ks7 pump. The base rail has 5 ring slots which make it easier to set accessories on the side of the handle. The base rail is compatible with both Picatinny and weaver rings. Machined from extruded aluminum alloy. Includes mounting hardware (no modifications necessary) Length: 2" 1/4 Weight: 1oz Finish: Anodized matte black