Features:Completely sealed and nitrogen filled for waterproof, fog proof, and shockproof performanceUp to 25" of eye reliefRed/Green illuminated Projectile Drop Compensation (PDC) reticleScrew lockable turrets with precise 1/4 MOA clicksAdjustable eyepiece with locking ring for additional securityEmerald coated lenses to achieve maximum light transmission Parallax set at 35 yardsComplete with picatinny rings and flip-up lens caps