... .5) Easy instillation, no wiring needed, no labour involved. (wireless doorbell)6) Easy mobility, suitable for house, villa, office, hotel, food ... )18, Lullaby(Brahms)19, Memory20, Minuet(Bach)21, For Alice22, Alarm Di Di(20 sencond)23, My heart will go on24 ... Music27-35, Arabia Music T-6 wireless communication remote control doorbell