Product Description -Features: -Brand New in Box -One piece tube construction with Matte Black finish -Adjustable objective, parallax focus from 5yds to infinity -Adjustable windage and elevation dials with zero has lock and reset capabilities -Ergonomically designed grips for fast focus eyepiece and magnification -Illuminated Red Green Mil-Dot range estimating reticle -5 brightness control (Red / Green) -100% waterproof , fogproof and shockproof -Specificaton: -Reticle Type: illuminated Mil Dot -Magnification: 4x-16x -Field of View (ft @ 100yds): 30@4x / 8@16x -Exit Pupil (mm): 10@4x / 2.6@16x -Eye Relief (in.): 6.5-3.9 -Objective Diameter(mm): 40 -Eyepiece Diameter(mm): 40 -Tube Diameter: 1 inch -Click Adjustment Value: 1/4 -Weight: 669grams -Length: 375mm