1) Needn't hub,only wifi connection.
2) Timer available
3) We pay attenition to small details,Tempered glass is carefully polished, No hurt your hand.
4) Smooth and delicate high-level crystal glass panel.
5) White/Black/Gold Color and customized is accepted.
6) It's work for AC Motor of electric curtain.
http://www.kingsunswitch.com