The UTG 3-9X32 1 BugBuster Scope Features Built on True Strength Platform, Completely Sealed and Nitrogen Filled, Shockproof, Fogproof and Rainproof 1 Inch Tube with Emerald Coated Lens for Crystal Clear View with Maximum Light Transmission Innovative EZ-TAP Illumination Enhancing IE System with Red/Green Dual-Color Mode and 36 Color Multi-Color Mode to Accommodate All Weather/Light Conditions U.S. Pat. 8,437,079; EU Patent Pending 1-Click High-tech Illumination Memory Feature Gets You Right Back to the Color/Brightness Setting Last Used Premium Zero Lockable and Zero Resettable Target Turrets with Consistent and Precise 1/4 MOA Per Click Adjustment Range Estimating Mil-dot Reticle for Optimal Aiming and Shooting Performance Adjustable Objective from 3 Yards to Infinity to Achieve Parallax-free View Large Field of View Wide Angle and Most Accommodating Eye Relief for Optimum Critical CQB Mission Complete with 2 Sunshade, High Quality Flip-open Lens Caps Leapers Inc. UTG BugBuster Scope UTG 3-9X32 1 BugBuster Scope;36-color