Thermal Imaging Moisture Meter With Infrared Thermometer 0 to 100 Percent Relative Humidity Range +/-2.5 Percent Humidity Accuracy -18 Degrees to 170 Degrees Temp Range (F) +/-3.6 Degrees Temp Accuracy (F) -22 Degrees to 199 Degrees F Dew Point Range 0.1 Percent Humidity Resolution Sensor Type Internal Pinless Moisture External Moisture Pin Probe Air Temperature and Humidity Display 2.3 in 64K Color TFT Graphical Bar Graph Yes Memory 4 GB Battery Type Li-ion Rechargeable