Please make sure HomeKit product is compatible with your garage controller before purchase. Please check the product introduction page for details. You can set the notification mode. Meross app will remind you to change the garage door according to the set time. If you suddenly visit a friend, the courier knocks on the door and forgets to bring the key. In these cases, you can open your garage door using the home app or voice control. This will save you a lot of time. You can check the switching history of the garage door in the app. It is as if you have installed a monitor for the garage door. You don't have to worry if you forget to close the garage door. The HomeKit version supports multiple apps and voice assistants at the same time, which can meet the needs of more users. With detailed installation instructions, you can install the smart garage door opener without any screws. Just use the strong adhesive tapes provided. And wifi is required, please make sure your wifi strength.