36 Tune Music 2 Remote Controller 1 Wireless Digital Doorbell Receiver 36 Music Tune Wireless Doorbell Door Bell Receiver + 2 Remote Button Description : The special and pleasant sound of the doorbell has several bel cantos for all people to choose. Delicate streamlined appearance shows the special tastes of the host. Up-dated intelligent flash light design brings convenience to the hearing handicapped. No wiring or drilling, wireless transmission to master the item. Ultra-distance represents the technology of surpassing obstacles. Simple vivid installation design, save money when installation and don't effect the decorate environment. Energy saving design of environment protection, the battery inside the button can last for one year(20 presses per day). Suitable for : dwelling house, work building, hotel, factory, hospital or any other places. It not only brings you convenience, but also give you the unexpected happiness and freedom. Package included : 1 x Wireless Doorbell Receiver 2 x Wireless Remote Control