I recently didn't close the freezer door properly and we didn't notice the beeping for quite some time since it's in the garage. I can buy the HS light sensor but the light doesn't blink until the temp inside is +21F. However the unit beeps if the door is left open more than 5 minutes. At that point everything is still frozen solid.
Has anyone seen or heard of a z-wave or zigbee device that listens for a sound?
Has anyone seen or heard of a z-wave or zigbee device that listens for a sound?
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