Did you lock the door today? Maybe I left the air conditioner on! ?? I forgot what to bring! !! Have you ever thought about it? This app may help prevent you from forgetting to lock the door or turn off the air conditioner. With this app, you can set 7 items that you can check the door lock and the source of the fire that you care about on the go. Items can be switched on the setting screen, and items can be set freely. We are accepting requests such as adding such functions.