https://www.asmag.com/showpost/35280.aspx
Product Info
Hidden Camera

Hidden Camera

Styo Electronics Co., Ltd.
Region: China
Update: 07/18/2013
Key Specifications
ST-DV02

Door-view Camea, 1/4"Sharp CCD 420TVL, Wider Angle lens/170 °

https://www.asmag.com/project/assa_abloy_digital_access_control/index.aspx