Thermometer/Hygrometer with clock and date function in GreenBlue. It operates with a CR2032 battery and has a temperature range of -9.9 °C to +60 °C. The GB380 is a high-quality device for monitoring temperature and humidity indoors. The large, easy-to-read display simultaneously shows temperature, humidity, date, time, and comfort level. The color display for comfort indicates: dry (orange) for humidity below 30%, comfortable (green) for humidity between 30% and 69%, and humid (blue) for humidity above 70%.