Function: ed/Green Dot With QD Mount

fit for: 20mm Picatinny Rail

Magnifier: 1x

Objective lens: 25mm

Eyepiece: 25mm 

Material: aluminum

Dot Color: Red/Green

Brightness level: 5 levels

Zero value: 0.75 MOA

Field of view: 45 ' at 100 yards

Parallax: Parallax Free

Battery type: 1x CR2032

Length: 90mm

Coating of the multi-layer lens.