1.hotel electronic doorplate 2.black color 3.Diameter:170mm 4.the room light can choose white,lincom 5.easy to operation 1.hotel electronic doorplate2.black color 3.Diameter:170mm 4.the room light can choose white,lincom5.easy to operationFunction:hotelname,room number,no bother,cleaning,check-in,doorbell digital hotel electronic doorplate LT-ED116