fit for: 20mm Picatinny Rail
Magnifier: 2x
Objective lens: 42mm
Eyepiece: 30mm
Material: aluminum
Dot Color: Red/Green
Brightness level: 5 levels
Zero value: 1 MOA
Field of view: 68 ' at 100 yards
Parallax: Parallax Free
Battery type: 1x Cr2032
Length: 140mm
Coating of the multi-layer lens.