Function:M3 Red/Green Dot With Cantilever Mount

Magnifier: 1x

Objective lens: 32mm

Eyepiece: 28mm 

Material: aluminum

Dot Color: Red/Green

Brightness level: 5 levels

Zero value: 1 MOA

Field of view: 57 ' at 100 yards

Parallax: Parallax Free

Battery type: 1x CR2032

Length: 120mm

Coating of the multi-layer lens.