https://www.asmag.com/project/gallagher_evolving_beyond_access_control/
Product Info
Auto Zoom IR Bullet Camera Controlled by RS485

Auto Zoom IR Bullet Camera Controlled by RS485

AllVision Technology Co., Ltd.
Region: Taiwan
Update: 12/07/2011
Key Specifications
Model: CFR500VH

4~9mm lens, 540TVL

8 hi-power LEDs, 30M

Auto Zoom Lens Control, RS485 OSD included

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