https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
HAC-300 Video Door Phone

HAC-300 Video Door Phone

Hyundai Telecom Co., Ltd.
Region: Korea, Republic of
Update: 05/23/2007
Key Specifications
Highly function and advanced video door entry system:

*Variable system integration

*Optional video image compliance

*Easy installation and maintenance

*Stylish and elegance concept design

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