The Sun Optics USA 3-9X32IR Tactical Tri-Rail Scope Is A Rugged Scope Design For Extreme Duty. Provides The Perfect Scope Platform For the Addition Of Accessories. Picatinny Rail On Three Sides Is Perfect For Mounting Lights, Lasers Etc. Fully Multi-Coated Precision Ground High Definition Lenses Provide Sharp And Clear Images. 100% Waterproof, Fogproof And Shockproof. Integral Mount Fits Any 7/8" Wide Weaver Or Picatinny Rail Without The Use Of Rings.Scope Specs:Lens Coating: (Fully Multi-Coated High Definition)Magnification: (3X-9X)Eye Relief: (3.5")Objective Lens Dia: (32MM)Field Of View: (36ft @ 3X, 13ft @ 9X)Type Of Adjustment: (1/4" MOA Windage/ Elevation)Reticle Type: (Illuminated Red/Green Mil Dot)Rheostat: (5 Position Red/5 Position Green)Finish: (All Weather Black Matte)Lens Cover: (Included)Battery: (1ea CR2032 Included)Sun Optics USA Limited Lifetime Warranty For Material And Workmanship.