Remote Turn on/off - Turning your existing WiFi network and garage door opener into an single integrated smart device, then you can open & close your garage door by a simple clicking on your smartphone. Reminder - Ever left and forgot to close the garage door? No worries, You can check the records open/close, and then open /close on your smartphone. Timing Schedules - You can set schedules to open & close your garage door. Manage garage door easily. Voice Control - Compatible perfectly with for , Home. APP remote control - Control the switch anytime, anywhere through the mobile APP Device Sharing - You can share it to your family or visitors, OF COURSE, you can take back the permissions at any time. History Record - You can check the garage door opening or closing history records on your APP to the of your garage. Working with:for alexa, for home Wireless standard:IEEE802.11b/g Wireless Type:Only 2.4GHz, not support 5G Mobile Phone:for "" For android & IOS Connection Wire Length:5M Due to different product batches, the appearance may be different, which does not affect use. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Colour:White Material:Plastic Package Contents: 1 * WiFi Garage Door Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.