Temperature Humidity Meter, Temperature and Humidity, 0 Percent to 99.9 Percent Relative Humidity Range, +/-3 Percent (5 Percent to 95 Percent) Humidity Accuracy, 14 Degrees to 122 Degrees Temp. Range (F), +/-1.8 Degrees , +/-3 Percent RH Temp. Accuracy (F), -67 Degrees to 122 Degrees F/-55 Degrees to 50 Degrees C Dew Point Range, 0.1 Percent Humidity Resolution, Sensor Type Capacitance, Display LCD, Bar Graph No, Memory No, Battery Type 9V, Auto Power Off Yes, Data Hold Yes