Built on True Strength Platform, Completely Sealed and Nitrogen Filled, Shockproof, Fog proof and Rainproof with Tact Edge Angled Integral Sunshade;Patented EZ-TAP Illumination Enhancing (IE) 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 QD Picatinny/Weaver Rings and Flip-open Lens Caps, Optional Big Wheel to Purchase for Finer Parallax Adjustment