UTG 4-16X50 1" Hunter Scope, AO, 36-color Mil-dot, w/ Rings Best Features Designed for Varmint/Predator Hunting, Completely Sealed and Nitrogen Filled, Shockproof, Fog proof and Rainproof, 1-Inch Tube EZ-TAP Illumination Enhancing (IE) System with Dual-Color Mode and 36-Color Multi-Color Mode to Accommodate All Weather/Light Conditions Premium Zero Locking and Zero Resetting Target Turrets with Most Consistent and Precise 1/4 MOA per Click Windage/Elevation Adjustment Emerald Coated Lenses for Maximum Light Transmission, Mil-dot Range Estimating Reticle for Most Optimal Aiming and Shooting Performance Parallax Adjustable from 5 Yds o Infinity, Complete with Picatinny/Weaver Rings, 3" Sunshade and Flip-open Lens Caps