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This inexpensive hygrometer-thermometer measures both relative humidity and temperature. The colorful 4" (10 cm) diameter face has two dials: one indicates relative humidity from 10-90% in 2% increments and one that indicates temperature from -20 to 40°C. The housing is plastic and can be hung on a wall or used with the convenient fold-out stand. This hygrometer-thermometer can be used indoors or outdoors and is easy to read.