Golden Future Optics 1x21 Red Dot Sight Scope with 20mm Weaver QD Mount Base for Night Hunting
Specification:
Model Number:GFRD-18
Magnification: 1x
Finish:  Matte Black
Eye Relief: Infinite
Housing Material: Aluminum
Reticle: Singe Red Dot-4MOA
Reticle Color:  Red
Optical Coating: Red
Parallax: ≤3 Minute
Battery Type:1x CR2032
Brightness: 5 Settings,push button
Click Value: 1MOA /Click
Elevation Range: ± 50MOA
Windage Range: ± 50MOA
Rainproof:Yes
Handgun Rated :Yes
Shot gun Rated:Yes
Dimensions:2.67×1.73×2.20"
Objective Diameter:21mm
Weight(net):180g(6.35oz)

It can be mounted on your pistol, shot gun or rifle and with the sound design, it allows you to adjust brightness manually.
This red dot scope is night vision compatible. It means it can be used together with night vision scope in the dark. But it is not night vision scope.