Description:     Constructed by aluminum alloy with anodized matte black processing. Light weight and compact design. Anti-glare reflective coated lenses that gives good optical clarity. With a scree size of 22mm x 33mm. A 3-position rheostat illumination(Red and Green). Offers 4 different reticles(Circle Dot， Cross， 10 MOA & 3 MOA) for optimum versatility. Fully adjustable windage and elevation. With integrated mount for most 20mm /11mm Weaver/Picatinny/RIS rail. Easy to hook up， install in just seconds.        Specification:    Reticle Type: Circle Dot， Cross， 10 MOA & 3 MOA Screen Size: 22mmx33mm Rail Width: 20mm/11mm dovetail rail Field of View: Unlimited Eye Relief: Unlimited Length: 82mm Weight:  115g (4.06ounces) Material: High Grade Aluminum Alloy Color: Anodized Matte Black Battery: 1XCR2032(Not Include)   ALL  Batteries Will Be Remove Prior To Shipping， Due to shipping Regulations.       Package Content:   > 1 x Sight Scope > 2 x Wrench > 1 x Cleaning Cloth