36 Musics Wireless Doorbell 2 Remote control with 1 doorbell! This doorbell include 36 musics in different style， you will love it!Notice: Battery NOT included!Features:�� 36 Melody Wireless Doorbell�� 36 music tunes for you to choose.�� Wireless easy mounting design never affects your inner decoration and can be placed at any location. �� Energy saving and the battery inside the button can last up to for one year(20 presses per day) �� Ideal for homes，offices，guest rooms，hotels，hospitals and etc.Alternatively，it can be used as a message paging alarm for the patient or babies.�� Delicate design shows your special taste.�� Intelligent flash light design brings convenience to the hearing handicapped.�� Ultra-distance represents the technology of surpassing obstacles.�� Easy to install， no wire needed.�� Powered by 2 x AA battery (not included) for the receiver; and 1 x 12V 23A battery (Not included) for the remote button.Package includes: �� 1 x Doorbell�� 2 x Doorbell buttonNote: This item does not included any batteries.