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 "ewelink" APP in your smart phone to control the switch wirelessly with Wi-Fi or 4G network.no hub required Timing Function:Take full control of your home or office lights thanks to schedule timer that will allow you to plan the exact time to turn lights and appliances on/off automatically Share Device:This samrt switch can have several control sites shared by different family members.one mobile phone can control many switches also Add More Features with IFTTT:'If this,then that' is a free web-based service the lets you do amazing thins with your light switch,turn lamps,fans or other electronics on before you get home or off when you leave,with IFTTT, Manufacturer: Dawa