The new version removes the RF function, and the switch is no longer interfered by the remote control device. Sensitive touch screen design, better user experience. One mobile phone controls multiple switches/Multiple mobile phones control one switch at the same time, which is convenient for family use. Smart Light Switch for Amazon Alexa, IFTTT and Google Home, activates the on/off button with voice commands, making life easier. Use the mobile APP to control the switch anytime and anywhere, making your life more intelligent and convenient. You can set the time to turn the light on/off, wake you up and start a new day.