Item Type: Moisture Tester_x000D_ Protection Grade: IP20_x000D_ Electrode Length: Approx. 10mm / 0.4in_x000D_ Wood: 3.7-82%_x000D_ Building Materials: 0.1-80%_x000D_ Environmental Temperature: -10-60_x000D_ Environmental Relative Humidity: 0-100 Percent_x000D_ Resolution: 0.1%, 0.1, 1%_x000D_ Error: 1-75%5%_x000D_ Environmental Temperature: 0-45 1%, -10-0, 45-60 1.5%_x000D_ Environmental Humidity: 20-80% 4.0%RH, 0-20%, 80-100 Percent 5.0%RH_x000D_ Auto Shutdown: About 15 Minutes_x000D_ Measurement Rate: 0.5 Seconds_x000D_ Storage Temperature: -10-60_x000D_ Operating Temperature: 0-40_x000D_ Operating Relative Humidity: 0-85%RH_x000D_ Power: 2 x 1.5V AAA Battery (not included)_x000D_ Product Size: Approx. 147 x 42 x 25mm / 5.8 x 1.7 x 1in (including protective cap)