Mini Hygrometer

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A hygrometer is a humidity‑measuring device designed to monitor the relative moisture level in the air. It provides real‑time readings of relative humidity (RH%), and temperature m easurement for complete environmental monitoring. Hygrometers help maintain optimal conditions for plant growth, prevent mold or mildew, protect stored goods, and ensure comfortable indoor environments. Great for monitoring temp/humidity inside your jars and containers! Can also be scattered around your home to monitor temp/humidity by location. Show more