The installation is easy, and the Teach Another door contacts works perfectly.
So far we have not a false alarm, the motion detector react actually only on movements and heat, not light fluctuations, so that for example the postman can throw the mail in the mailbox, recorded without the motion so.
The only drawback is the wiring of the siren. We have attached an additional cable because the existing cable is very thin and capture the terminals in the system, this is difficult.
Outstanding is the support. Each question is answered quickly, nice, accurate and helpful.