UTG 1 inch True Hunter 4-16X40 IE Scope. 1 Inch Tube with Best in Class Emerald Lens Coatings to Achieve Maximum Light Transmission and Clarity Ideal for Varmint/Predator Hunting. Built on True Strength Platform, Completely Sealed and Nitrogen Filled, Shockproof, Fogproof, and Rainproof. Innovative EZ-TAP Illumination Enhancing (IE) System with Red/Green Dual-Color and 36 Multi-Color Modes to Accommodate All Weather/Light Conditions (US Pat. 8,437,079; EU Patent Pending). 1-Click Illumination Memory Feature Gets the User Right Back to the Color/Brightness Setting Last Used. Premium Zero Lockable and Zero Resettable Target Turrets with Most Consistent and Precise 1/4 MOA per Click Adjustment. Classic and Proven Mil-dot Range Estimating Reticle. Parallax Adjustable from 5 Yds to Infinity. Complete with High Quality Flip-open Lens Caps. Front AO, Zero Lockable/Resettable Windage/Elevation Target Turrets.