https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
CM-06DNS2/CM-06DNRV1 Video Door Phone

CM-06DNS2/CM-06DNRV1 Video Door Phone

Xiamen Genway Security Technology Development Co., ltd
Region: China
Update: 08/05/2006
Key Specifications
One or two door station supporting four indoor phones at most

Handsfree, 30 seconds surveillance,120 seconds intercom

Waterproof door station and surface-mounting design

Illuminating LED in door station to provide clear picture even in nighttime

Pin-hole camera, remote unlocking

Color 5" or 5.6" TFT display

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions