Commercial Security

I recently happened to read this blog http://www.fire-monitoring.com/smarter-technologies-in-commercial-security/.Have anyone used this one earlier?? I wanted to purchase a commercial security camera for my office. So It'll be useful if you give some suggestion about the security cameras you know.. Are there any technology where we can tilt the camera to get a different view using a remote control?? If you know any security camera with such feature, please share the details. Thank you.