Function: ACOG，4x32 Scope with Mini Red Dot sight 

fit for: 20mm Picatinny Rail

Magnifier: 4x

Objective lens: 32mm

Eyepiece: 28mm 

Material: aluminum

RMR dot sight color: Red

Dot Type: crosshair

Parallax: Parallax Free

Battery type: 1x Cr2032

Length: 150mm

Eye relief (mm): 30mm

Install light-controlled red dot

Coating of the multi-layer lens.