Thermohygrometer 0 Percent to 100 Percent Relative Humidity Range +/-3 Percent Humidity Accuracy 14 Degrees to 140 Degrees Temp Range (F) -90.4 Degrees to 122 Degrees F/-68 Degrees to 49.9 Degrees C Dew Point Range 0 to 100 Percent Absolute Humidity Range 1 Percent Humidity Resolution Display LCD Bar Graph No Battery Type AAA Auto Power Off No Data Hold No Response Time 500 msec Humidity Probe Range (Deg. F) 14 Degrees to 140 Degrees F Data Logging No Interface No