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. Note: No neutral wire required and only for single pole circuit; the wattage of the lamp must be greater than 5w. Only supports 2.4 GHz network; install the capacitor in the package to work properly. The Wi-Fi Smart Light Switch uses your existing home Wi-Fi network to provide wireless control of your lights from anywhere, no hub required, it can easy replace the traditional switches directly, then you can start controlling your lights from your mobile phone by ‘Smart Life’ APP(ios or android). The smart light switch also a normal switch, simply touch the switch to toggle your lights on or off.Package Include: 1x Smart Light Switch