30mm Tube with Best in Class Multi Emerald Coated Lenses to Achieve Maximum Light Transmission for Best Clarity, Built on True Strength Platform, Completely Sealed and Nitrogen Filled, Shockproof, Fogproof and Rainproof * Illumination Enhancing(IE) Reticle Offers the Multi-color Mode with 36 Colors from the Color Spectrum for Personalized Illumination and All Environment Shootings, * Etched Glass Range Estimating Mil-dot Reticle for Most Optimal Aiming and Shooting Performance, Special Circuit and Housing Design for Uninterrupted Illumination Even Under Heavy Recoil * Side Wheel Adjustable Turret (SWAT) for Parallax Adjustment-from 10 Yards to Infinity; Side Wheel Ready for Optional Big Wheel to Achieve Finer Parallax Adjustment, * Most Innovative, Low Profile Illumination Control with 2 Soft and Ergonomic Control Buttons Designed for Most Natural,