Aube by Honeywell TE513-7/U Electronic Indoor Thermometer and Humidistat, Charcoal Dual display shows temperature and relative humidity at the same time Temperature Range: 50-Degree Celsius to 70-Degree Celsius, 58-Degree Fahrenheit to 158-Degree Fahrenheit Humidity Range Low 20-Percent - 80-Percent High Wall or tabletop mounting Dimensions (height by width by depth): 3.3-Inch by 2.9-Inch by 0.7-Inch