Features Voice Control: Once you have this switch, you can connect it with Amazon Alexa (Amazon Echo/dot/tap) or Google Assistant for voice control. Wi-Fi Remote Control: You can use ‘Smart Life’ app(APP Store or Google Play) in your smart phone to control the wall switch wirelessly with Wi-Fi or 4G network.no hub required. Timing Function: Take full control of your home or office lights thanks to the schedule timer that will allow you to plan the exact time to turn lights and appliances on/off automatically.This smart light switch have several control sites shared by different family members.