·Do not disturb and please clean (with interlocking function) when the guest would like to clean the room, in the room inscribed "please clean" switch, door signs with cleaning logo lights always, please timely clean the room.
·When the guest does not want to be disturbed, just press the "do not disturb" switch in the room, the door with a do not disturb sign lamp lit, suggests that others do not disturb, Ding Dong doorbell not triggered.
·Case material: imported fire retardant PC plastic Yang
·Working voltage: AC 180V~250V.
·Appearance size: length 85 wide by 85 High 41 (CM)
·Installation: 86 low box embedded party workers.