We had our new AlarmForce system installed in July 2008. My wife was home during the installation and I had left instructions as to where I wanted the sensors located. On top of basic package we 'purchased' 2 additional smoke detectors, 1 glass break sensor and 1 door contact for a total of $361.20. (I put that in quotations because we really do not own anything.) The installer insisted on placing the motion sensor BEHIND AN INTERIOR DOOR which, if left open, would render the system useless. He came back and moved it (damaging... read full review »