Glad everyone is ok.
I recently picked up this Accurite Temperature and Humidity Station with 3 Indoor Sensors for $50 on Amazon. Not only does it allow you to monitor three enclosures individually and together in a single display station, it also has visual and auditory hi/lo alarms. So far it's working ok.
https://www.acurite.com/indoor-multi-sensor-display-with-3-indoor-sensors.html
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