2.APP application easily control .
3.doorbell host support 10 kinds of music rings .
4.Work as alarm system ,support maximum 10pcs sensors .
5.Support night ligh function, with Red/Green/Blue 3 colors for choice .
6.User can set linkage between night light and sensors ,when sensor triggered,light will turn on .
7.With voice prompt in doorbell host ,simple guide the operator .
8.Vioce volume and light brightness are adjustable .