Built on True Strength Platform, Completely Sealed and Nitrogen Filled, Shockproof, Fogproof, and Rainproof Up to 25" of Eye Relief Allowing for Effective Use on Handguns Red/Green Illuminated Projectile Drop Compensation (PDC) Reticle Assists Shooting at Difference Distances Screw Lockable Turrets with Most Consistent and Precise 1/4MOA per Click Windage/Elevation Adjustment Adjustable Eyepiece with Locking Ring for Additional Security Emerald Coated Lenses to Achieve Maximum Light Transmission for Best Clarity Parallax Pre-set at 35Yds Complete with Medium Height Picatinny/Weaver Rings and High Quality Flip-open Lens Caps