Lab Junction Hygrometer,Digital Indoor Thermo-Hygrometer

Temperature Range: -50Â degree Celsius ~ 70Â degree Celsius (-58Â degree Fahrenheit ~ 158Â degree Fahrenheit ) Temperature Accuracy: +0.5Â degree Celsius (0Â degree Celsius ~ 40Â degree Celsius ) or +1 percent Humidity Range: 10 percent ~ 99 percent RH Humidity Accuracy: +3 percent RH (50 percent ~ 80 percent ) or +5 percent Battery: AAA 1.5V