https://www.asmag.com/showpost/36098.aspx
Product Info
PIR Camera with control box

PIR Camera with control box

PROTRONIC (FAR EAST) LTD.
Region: Hong Kong
Update: 04/04/2007
Key Specifications
- PIR and Sound activation to TV or Alarm function

- Press one button for 2-way communication

- adjustable trigger level to sound

https://www.asmag.com/project/the_manpower_survey/