The Tapo T110 basically works on metal garage doors as it is a magnetic contact sensor for window security and door security, but metal can interfere with the radio or magnetic field - test the range close to the hub. The H110 can be used as a hub, as Tapo sensors such as the T110 are explicitly compatible with Tapo hubs such as the H110 and are coupled via radio. The information in my database does not fully cover this, so check our Community for garage door-specific tips.
To receive notifications on your mobile phone when the door is opened, in addition to the Tapo T110 sensor, a Tapo Hub must also be installed. The sensor connects to the Tapo Hub via low-power radio frequency, which is essential for receiving instant notifications and for integration with other Tapo smart devices.
Yes, this product triggers an alarm when a door or window is opened unexpectedly. The alarm is sounded through a separate device, such as the Tapo Hub, which is required for this functionality.