Feature:1. When the garage door opens or closes, you will receive the real time alerts on your smartphone and email.2. Even if you are in an outside office, all doors a few miles away from home are operated by you in one application.3. When you drive near your home, your garage or door will automatically open or close, which is very convenient for you.4. You can share the device with other family members and allow them access.5. You can use your WIFI to connect to the garage door controller on your for IOS or for Android device.6. You can also open or close the garage door through for Google assistant device.Specification:Item Type: Garage Door OpenerMaterial: Fireproof PCMaximum Gap Distance: Approx. 3-15mm or 0.12-0.59inCable Length: Approx. 5m or 196.9in.Package List:1 x Garage Door Opener2 x Mounting Bracket2 x Door Sensor5 x Screw4 x Sticker1 x Lead 1 x ManualNote:1. Please contact a professional electrician before installation 2. Do not disassemble the device privately.