UTG 4-16X44 30mm Compact Scope, AO, 36-color Glass Mil-dot Built on ts platform,completely sealed and Nitrogen filled, shockproof, Fogproof, Rainproof, etched Glass reticle for most optimal aiming performance Patented EZ-TAP illumination enhancing (I E) System with Red/green dual-color mode and 36-color mode to accommodate all weather/light conditions Illumination memory gets you right back to the illumination setting last used, zero locking/Resetting turrets with 1/4 MOA per click w/E adjustment Multi Emerald coated lenses to achieve maximum light transmission, mil-dot reticle, side wheel Parallax Adjustable from 10 yds close range to Infinity Include high quality max strength Picatinny/Weaver rings and flip-open lens caps, optional big wheel to purchase for finer Parallax adjustment