fit for: 20mm Picatinny Rail
Magnifier: 1x
Objective lens: 40mm
Eyepiece: 40mm
Material: aluminum
Dot Color: Red/Green
Brightness level: 5 levels
Zero value: 1 MOA
Field of view: 107' at 100 yards
Parallax: Parallax Free
Battery type: 1x Cr2032
Length: 118mm
Coating of the multi-layer lens.