Relations Feature A 3MOA Dot Size Red Dot Sight A Build-in Low Weaver Mount A Design for Real Fire Caliber A Super-light A Ultra-Compact A Durable A 11 Dot Intensity Levels Specification A Magnification: N/A Specification Details A Magnification: N/A A Objective Lens Size: 22mm A Exit Pupil: 22mm A Eye Relief: Free A Optics Coating: Multi coated A Field for View: 50&'; @ 100 yards A Overall Length: 69mm (2.7 inch) A Riser Mount Base Length: 40mm (1.6 inch) A Low Mount Base Length: 51mm (2.0 inch, build-in) A Height of Riser Mount: 26mm (1.0 inch) A Width: 40mm (1.6 inch) A Weight: 115g (4.0 ounce) A Click Value: 1 MOA A Parallax: 1 MOA at 80 yards A Dot Intensity: 11 levels A Dot Size: 3MOA A Elevation Range: 100 MOA A Windage Range: 100 MOA A Mounting: Picatinny & weaver A Battery: CR2032 A Package includes: retail package, lens cover, hex keys and cleaning cloth etc.