VERY100 Tactical Rifle 2-6x32 Reflex Green Red Mil-dot Sight Scope with Sunshade and 20mm Picatinny Rail Mount Illuminated Type: Red and Green with 5 level brightness adjustment Reticle Type: Mil-Dot.Magnification: 2-6 x 32mm Length: 210mm.Material: Aircraft-Grade Aluminum Alloy Field Of View(@100yds/@100mm): 15.71-41.96 Eye Relief(mm): 75.0-95.0.Exit Pupil(mm): 4.6-14.0