Packed full of fantastic humidity-related features, the WS9420 was our bestselling desktop station for 2012 and remains just as relevant today. A modern white console indicates indoor temperature and humidity alongside a clear 12-hour humidity graph with mold alert functions.

Place this standalone station in your kitchen, greenhouse or potting shed and never worry about the dangers of mold again. Any sign of increased humidity and the WS9420 will sound a preset alarm.

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