This is a 32 Tunes Wireless Remote Control Doorbell Door Bell.The Wireless Door Bell has several ell sound types for all people to choose. Up-date intelligent flash light design brings convenience to the hearing handicapped. Wireless easy mounting design will never affects your inner decoration and makes the doorbell anywhere you like. All day long anti-interference system and encrypted encodin decoding at 1/100000 prevent the doorbell from interferences outside or between neighbors. Delicate streamlined appearance of the Wireless Door Bell shows the special tastes of the host. Energy saving design of the Remote Control Doorbell for environment protection, the battery inside the button can last for one year.This Wireless Doorbell is an ideal choice for home, offices, guest rooms, hotels, hospitals, etc.