We had since 2 weeks now even in their vermöbelte visit from a neighbor naughty hangover of my 6 cats at home and ate their food away. Installed new patch and it has returned calm. Programming is very easy. The beep I turned off because it scared my cats. I have hanged me a note with the main keyboard shortcuts on the wall. For you the future I want a model with at an APP, the chip can handle numbers. Who is allowed to get out, who is not. Who is at home, who is still on the go. That would be a dream for which I also do not mind paying a few euros more.