Not only do I need to keep bad guys out, I need to try to keep teens in and also watch and record the common area of the house. Presently getting quotes from several security companies on monitored systems, but also checking out the hidden cameras available. With one camera I will be able to see all door entrances to house. I have a separate computer hard drive available if needed for the camera. Which is the best way to go ? Camera recording to computer hard drive or a separate recorder with the capability of extended recording times? I am not skilled with electronic equipment, so what is the difficulty level of something like this?

Safewatch, I emailed you about a system! Here are a few more generic questions: Are there differences in motion sensors? (I have a big cats, want the motion to work while we are out, but want to turn this zone off when we are inside)..... The ITI micro sensors (Part no: 60-688-95), are these good sensors (I have no problem replacing the coin-cell batteries if needed) Should I use general window sensors, or should they also have glass break incorporated in them? (like the ITI shock sensor Part no: 60-461-10-319.5) How easy is this system to install??? I am really handy, and my father owns an audio/visual/telephone company and does high end custom installations, including retrofitting wall speakers/ceiling speakers/recessed TV's etc....so he has all the equipment (long drill bits, snakes, etc....)