and High Quality Remotely open the garage door for trusted people when there's nobody . Remotely control the gorage door when you back home soon. Simply control your garage door via APP Works perfectly with Alexa, 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 history records on your APP to the safety of your garage. Specifications: Wireless Standard: IEEE802.11b/g Wireless Type: Only 2.4GHz, not support 5G Rated current: 5V 1A Working with: , Home Mobile Phone APP: for Android & IOS Color: Black + Gray Material: Aluminum Alloy Package Contents: 1 x WiFi Smart Switch Garage Door Opener 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.