Intermediate Smart Room Numbering and Services Signs (Dnd) Crystal Tempered Glass Touch Switch Panel

Out-room panel:
-Laundry, Do Not Disturb, Clean the Room signs & Touch switch doorbell.
When the guest use Do Not Disturb option and any one try to ring the bell, the bell -doesn't responce and the ring light + Do Not Disturb light will flash 3 times.
-Room number color will change automatically when the guest enter the room and turn the power on.
-Do not disturb order, automatically stop other signs and doorbell.
-Connect between Out-Room panel and in_room Panel is RS-485.

In-Room panel:
-NEW Multi intermediate In-room touch switch panel allow to connect more of 2 units for amazing luxury for your guests, Multi intermediate can watch and control with the signs status from many places.
-Laundry, Do Not Disturb, Clean the Room switches + colored LED backlight signs & lighted doorbell touch switch.
-Do not disturb order send order to other signs to stop.
-Doorbell: Built-in Moving coil Speaker, External Speaker Output, for doorbell tone.
-Doorbell tone: MP3 Programmable via USB. *Optional