Hammers GREEN RED dot reflex sight 1x35RD is a great red dot sight for use with shotguns and rifles. The included mount will fit onto both Picatinny and Weaver-style rails. The sight also includes quick flip lens caps at both ends 35mm reflex lens aperture provides a wide field of view Great for CQB, rapid-firing, or shooting of moving targets, besides normal shooting and hunting use 3.5MOA round dot in RED or GREEN Light intensity has 5 levels of adjustment for each color of light Parallax corrected and unlimited eye-relief Windage and elevation click adjustments 30mm L mount for Picatinny rails and bases Power: 1x (no magnification) Field of View: 50ft at 100yards Mount center height: 26.50mm E/W click value: 1 click = 1moa Mount: Fits onto Weaver or Picatinny base Length: 5.60 Weight: 10.4oz Package contents: 1x35RD Sight 1 CR2032 button battery (included). Front and back quick flip lens caps Allen wrench