It will need internet connection one way or another. If there is line of sight, you can try a 2.4 gig wireless link (802.11g) to your pc. A suitable outdoor antenna and 2.4g tx module should be able to carry the video link. Line of site is a must, and a mounting spot for the antennas. A tall building somewhere in between would be ideal. A typical system consists of motion detectors for windows and doors. It also consists of cellular communicators that alert you whenever there is a change in your security system.
For more information, please visit: http://www.sleepwellsecurity.ca/services/residential-alarms/