Дверная панель для отеля с цифровым освещением и сенсорным

1.there are three sign light on panel

2.DND(Don't disturb):No ring even if the doorbell key is pressed,

3.MUR(clean up):when gutst press this botton inside the room,the sign light on the doorplate will be on to remind waiter to clean up the room.

4.Please wait:the sign light is on when the guest press the "please wait key" if the guests is not convenient to meet visitor.