Garage Door Opener (Wireless)New Model: The garage door opener is equipped external antenna which can better receive WiFi signals and can support up to 3 garage doors at the same time(2 sets of sensor cables included). No monthly fee or any other subscription fee!More Convenient: Remote and Voice Control, just tapping the free Meross App/Apple Home App from anywhere, anytime or speaking to your Apple Siri, Amazon Alexa, or Google Assistant devices to open and close your garage door. To let in your family, guests, or couriers through the garage door while you are cooking or not at home. The built-in sound alarm makes closing the door safer, especially for families with children and pets.Notifications: Stay alert by different types of notifications on your smartphone, such as garage door open/close status, overtime notification, and overnight notification to remind you to close the garage door.Precise and Stable: It comes with a high-sensitivity sensor that monitors the status of the garage door more accurately, and the signal stays stable. And you can check the garage door open/close operation records through the App.Compatibility Check: For USA and Canada customers, please check the Compatibility Guide on Meross Official Site to find out whether you need an accessory or not. If yes, please send us the learn button colour of your garage opener. We can ship the proper accessory to you for free. For other countries, the device is compatible with 99%+ garage door opener models, no accessory needed.