Athlon Optics Midas G2 1 Mile Rangefinder OLED illuminating display with 5 illumination settings 1/10th second range resolution time 6x magnification 21mm objective lens .59" (15mm) eye relief 6-degree angular field of view Ranging reflective range: 1760 yards Ranging deer range: 800 yards Accuracy: +/- .5 yards Max angle reading: +/- 70 degrees Diopter adjustment Angle compensation mode Line of sight mode Scan mode Hunting mode Golf mode Dual units of measure (meters/yards) Fully multicoated lenses Rainproof Rubber armor Nitrogen purged Auto power-off 3.9" long 3.1" high 4.8 oz Uses CR2-3V battery Lifetime warranty