Purpose-built for the fast pace of turkey hunting and wingshooting, the Viper Shotgun Enclosed Micro Red Dot delivers an ultra-low-profile design and wide field of view for intuitive shooting and superior recoil control. It's enclosed design and integrated universal mount ensures seamless operation and maximum protection against the elements.Specifications and Features: Mounting Footprint: Integrated. For Drilled and Tapped Shotguns Dot Size: 3 MOA Dot Color: Bright Red Battery Type: CR2032 Battery Run Time: 50,000 hrs. Magnification: 1x Reticle: 3 MOA Dot Eye Relief: Unlimited Adjustment Graduation: 1 MOA Max Elevation Adjustment: 100 MOA Max Windage Adjustment: 100 MOA Parallax Setting: Parallax Free Length: 4.86" Weight: 2.14 oz.