the device worked well the first few months, with dropouts occurred (no more noise in conjunction parent) a few times. After 6 months of use, the dropouts are there already after 2 minutes and then you hear nothing. I hear my child behind the locked door instead of the device! This is totally unacceptable and even dangerous, if one relies on the piece. Disappointing. But the service from Amazon was simply unbeatable: lightning-fast professional, very friendly reaction! Within 2 days you get a replacement unit. Class, thank you!