Feature A 3MOA Dot Size Red Dot Sight A Mini Sight A w/ Weaver Mount A On/Off Switch A Design for Real Fire Caliber A Super-light & Compact A 4 Dot Intensity Levels A TEK, compatible with DOCTERA(R), For GLOCKA(R) 17/19 MOS, WaltherA(R) PDP, BerettaA(R) APX RDO Specification A Magnification: N/A A Objective Lens Size: 18x22.5mm A Exit Pupil: 18mm A Eye Relief: Free A Optics Coating: Multi coated A Field for View: 6.5Adeg @ 100 yards A Overall Length: 51mm (2.0 inch) A Mount Base Length: 43mm (1.7 inch) A Product Width: 28mm (1.1 inch) A Weight: 57g (2.0 ounce) A Click Value: 1MOA A Parallax: Free A Dot Intensity: 4 levels A Dot Size: 3MOA A Elevation Range: 60 MOA A Windage Range: 60 MOA A Mounting: Picatinny A Battery: CR2032 A Reticle lock system A For close-in work and general shooting A Shockproof, water resistance and weatherproofing A High quality aluminum alloy 6061 in durable black matte finish A Tested on 30-06 A Package includes: retail package, picatinny mount, rubber lens cover, hex keys and cleaning cloth etc