Main Features:  1.WiFi direct connection,no need gateway.  2.Remote control via 3G/4G/WiFi on mobile.  3.Crystal tempered glass panel.  4.LED backlight indicator at night.  5.Real-time status displays on APP.  6.Timer/Scene control are available.  7.Share with your family to control together.  8.Works with Amazon Alexa and Google Home.     Parameter:  Specification :  EU/US;  Shell material:  PC flame retardant material;  Panel material: Tempered glass;  Installation hole distance: 60mm(EU)/90mm(US);  Electric life: 100,000 times;  Rated voltage: 110-240V;  Start method: Touch/Mobile APP/Voice Speaker;  certified product:CE FCC  ROHS;  Maximum current:10A;  Size: 86*86*34mm(EU)/120*76*33mm(US);  Color: White;     Package included:  1 x Touch Dimmer Switch  2 x Screws  1 x Manual  1 x Box     NOTE:  1.This switch Netural Line required. Before you buy, please confirm if your House have Netural Line for this Switch.  2.The switch can only be used for ceiling fans, not for ceiling fans with lights.  3.Control From Anywhere. Turn on/off your fan,and choose the speed no matter where you are.