Blackcat MO Type Red Dot Sight (Black)
Metal Constructed Illuminated Dot Sight
Adjustable Red Illuminated Dot
8 Levels Dot Brightness Control on each illuminate color
Include Standard Mount & QD Mount
Fit for all 20mm rails mount
High Mount Height Elevation: 22mm (Bottom of Mount to Rail)
Operating by CR2032 Battery x 1

Come With Hard Case (125mm X 80mm X 65mm)
Also be backup sight on top of magnifying scopes, night vision, or thermal imaging optics