There is an issue with this device. Whenever power is lost and restored, the app will no longer work because the garage status states that there is an obstruction. The tilt sensor does not communicate with the controller until the garage door is opened manually or with a standard garage door opener. This has been confirmed with several of the same model controllers. The tilt sensor goes into a standby mode to preserve battery until it is moved. The problem is that when a power outage occurs, you won't be able to use the app to open the garage and will have to use a regular garage door opener or manually open the garage from inside the home in order for the tilt sensor to register the state of the door (open or closed).
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