When you enter the room, the door might not open, the battery is said to be out of battery... I swear I don't understand, going back and forth down, only the door won't open... room number 205, if not, it's wrong... please pay more attention to whether the room is in good condition before leaving. use it...cook if you want to chat when you enter, you have to report to the receptionist. If you want to enter your room😏😏😏