Measure Percentage moisture of wood and building materials, Conductivity measuirement on electrical, Settable measuring ranges for different materials, Percent RH humidity measuring, Dew point and wet bulb, MAX/MIN/AVG and Hold functions, Auto-Power off function, Backlight function, Protective cap for safe storage, Attached with carrying strap, Low battery indication: The battery is displayed when the battery voltage drops below the operating level, Sensor: Electrical Resistance, Moisture Material: 8,8 to 54,8 Percent Stated accuracy at 23C+/-5C, less than 70 percent RH, Sensor: Thermistor Temperature Sensor, NTC.