The UTG 3-12X44 30mm Variable Power Compact Scope with Mil-Dot reticle has a 30mm tube with Best in Class Multi Emerald Coated Lenses for maximum light transmission and clarity. Based on UTG's True Strength Platform, the scope is completely sealed and Nitrogen filled. The scope is shockproof, fogproof and rainproof. Features the EZ-TAP Illumination Enhancing (IE) System with Red and Green Dual-Color Mode and 36 Color Multi-Color Mode for shooting in all weather and lighting conditions. Has a single click Illumination Memory Feature that goes back to the last color and brightness setting that was used. The housing was designed for uninterrupted illumination even when shooting with heavy recoil. The Zero Locking and Zero Resetting turrets have a 1/4 MOA per click windage and elevation adjustments. The side wheel turret is for Parallax Adjustment from 10 yards to Infinity. The TactEdge Angled Integral Sunshade comes with flip-open lens caps and max strength Quick Detach Picatinny mounted rings.