You lovely things you can’t 24 hours watching, but the phone can speak it well. OK you take it out and stroked it. So designers have designed this alarm, open big eyes small mouth, a look of panic, put down, don’t move, it is my master’s, I want to send a message to my master. Built-in magnets can be adsorbed, can be hung, you can hang in the refrigerator in a baby carriage, and so on, as long as it moves it will tell you the first time.