GHT M3-X Point Red/Green Dot Sight

Magnification: 1x Tube Diameter: 40mm Objective Diameter: 35mm Field of View: 60° @100yds Exit Pupil: 80mm Optical Coating: Multi-coated Length: ~122mm Fits For 20mm Picatinny Rail Mount Powered by: 1x CR2032 Batteries (Not included)