Function: Self-illuminated Red/Green dot

fit for: 20mm Picatinny Rail

Magnifier: 1x

Objective lens: 38mm

Eyepiece: 28mm 

Material: aluminum

Dot Color: Red

Brightness level: Light control brightness

Zero value: 0.5MOA

Field of view: 78' at 100 yards

Parallax: Parallax Free

Battery type: 2x AG13/LR44

Length: 110mm

Coating of the multi-layer lens.