100% Remotely open the garage door for trusted people when there's nobody at home.Remotely control the gorage door when you back home soon.Simply control your garage door via eWelink APPWorks perfectly with Alexa,Google Home.Device Sharing: You can share it to your family and friends or visitors,OF COURSE, you can take back the permissions at any time.History Record: You can check the garage door opening or closing historyrecords on your APP to ensure the safety of your garage.Specifications:Plug modelUSBplug is not includeShell material: ABSWireless Standard: IEEE802.11b/g/nWireless Type: Only 2.4GHz, not support 5GRated current: 5V 1AWorking with: Alexa, Google HomeMobile Phone APP: eWelink for Android & IOSPackage Included:1 x WiFi Smart Switch Garage Door Opener1 x Instructionswith 4pc StickersNotes:The device requires a 2.4 GHZ WIFI connection and can be installed quickly and easily without the need of a professional. It is compatible with almost all garage door openers (check the site that is compatible with the opener).