Product Specifications: Large-screen LCD display wood humidity value LCD display, backlit Principle: Resistance Wood Moisture Range: 4 - 75% Paper Moisture Range: 4 - 90% Wall Moisture Range: 0.2 - 24% Resolution: 0.1% Accuracy: 0.5% Display resolution: 0.1% It can be used to measure the moisture content of various wood/paper/wall and other materials. There are four built-in measurement modes, including more than 50 kinds of common woods. Users can choose the corresponding group to improve the measurement accuracy. The fuselage is sturdy and lazy, suitable for a variety of special occasions. Built-in automatic shutdown function to save battery consumption. Backlight function Lock screen function (Hold) The meter will automatically detect the battery level and prompt the user to replace the battery before the battery runs out Automatic shutdown function: The instrument has an automatic shutdown function, the instrument will automatically cut off the power supply if the button is not operated within 5 minutes to save battery consumption. Care and Maintenance: When the instrument is not in use, it should be stored in a dust-free/shady dry environment. If it is not used for a long time, please remove the battery to avoid battery leakage and damage to the instrument. Battery replacement: When the indicator screen displays the battery low voltage indication, it indicates that the battery is nearly exhausted and needs to be replaced with a new battery immediately: 1. Remove the battery cover on the back of the meter. 2. Replace with new 3 AAA batteries. 3. Close the battery cover.