State of the art performance combined with a compact form factor make the STS-081 Mini Red Dot Sight one of the hottest optics available. A versatile and lightweight solution for handgun, rifle and shotgun, the STS-081’s advanced design and robust construction ensures optimum performance in the most extreme conditions. The STS-081 features a parallax free 1X red dot with a 4 MOA reticle, coated glass lenses, a high strength extruded aluminum body with anodize coating, and mounts on M1913 / Weaver accessory rails. 11 daylight settings provide a visible aiming solution through a full range of light conditions. Power is supplied by one 3V CR2032 Lithium Battery, providing an average of 8000 hours of operation. With an overall length of under 2.5” and a weight of only 3.0 oz, you won’t even know it’s there until you need to use it. The STS-081 Mini Red Dot Sight is an innovative sighting solution that will enhance the abilities of any shooter.