Easy to Read with Digital LCD DisplayMeasuring Range: 5%~40%, Accuracy: 1%Date Hold Function and Can Hold ValueLow Power Indicating and Can Select In 4 probes, the test is more accurate, can quickly determine the moisture content of wood, large screen display, can keep the current test data for reading after the test, with a wrist strap and tool bag for easy portability How to use: 1. Remove the probe cap, press the power button to turn it on, / 2. Insert the probe into the measured object for about 5mm during the test, the display will display the moisture content of the measured object, / 3 If necessary, keep the current value , you can press the hold button "H", / 4. After the measurement is completed, please press the power button to shut down, and cover the probe cap Instrument maintenance: 1. This instrument is of high impedance and safety insulation, in order to ensure its accuracy, please keep it dry and clean when storing and using / 2. When the LCD screen displays a low voltage symbol, please replace the battery and do not use it for a long time Please remove the battery to prevent leakage damage to the instrument Product size: Length: 12.9cm/5.07in Width: 6.3cm/2.48in Height: 3.2cm/1.25in