BARSKA 4X30 IR Electro Sight Scope Multi-rail Electro Sight scope mounts with standard 0.875-inch Picatinny rails, allowing you to customize with additional aiming accessories 4X magnification, 30-millimeter objective lens, 24.1-foot field of view at 100 yards, 7.4-millimeter exit pupil, and 3.9-inch eye relief Seven-inch length and 16-ounce weight; adjustment knobs for windage, elevation, and rheostat; fully coated optics with dual color infrared mil-dot reticle Black matte finish; includes scope caps Includes limited one-year manufacturer's warranty