Network controller power switches? Ok. Can you recommend any?

P.S. There is not building management system.

This is for a commercial building application. I am not familiar with BI5. Where can I get further information?

Any other suggestions for integrating the sirens?

Looking to setup a new camera system. Never used Blue Iris before. The requirements include having external strobe light/siren that can activate on motion of specific cameras. 1. Does Blue Iris have a feature for this configuration? 2. Can anyone recommend what type/brand I/O hardware box that I wil...