4-16x50 IR 2nd Generation Sniper Scope by Barska 100% Waterproof and fogproof Extra rigid shockproof construction Multi-Coated optics Illuminated red and green mil-dot reticles 30mm tube construction Easy-grip target-style windage and elevation adjustments Side Parallax Adjustment 1/8 MOA click adjustment Built-in sniper edged sun-shade is set back in the housing to allow the sun shade to cast a shadow and reduce glare for use in bright sun Precise and easy-to-use for tactical environments Fast focus eyebell Includes protective scope caps and set of rings Limited Lifetime Warranty.