Digital Moisture Tester Portable Hand Held LCD Wood Timber Humidity Detector Accessory(Blue ) Item Type: Moisture Meter Material: ABS Weight: Approx. 91g / 3.2oz Product Size: Approx. 13x5x2.7cm / 5.1x2.0x1.1in Battery Information: 3PCS 1.5V AAA Battery (Battery Not Included) Display: LCD Display Range: Choose different modes according to different types of trees, as follows: Type1: 2%-40%, Type2: 2%-50%, Type3: 2%-60%, Type4: 2%-70% Resolution: 0.1% Operating Conditions: Temperature: 0℃-40℃ (32℉-104℉), Humidity: 0-70% How e: 1. Insert the battery (not included). 2. Remove the top cover and probe cover. 3. Press the "Start/Close" button to turn on the device, the "0.0%" humidity reading, temperature reading, and "scan" icon will appear. 4. Press the "℃/℉" button to switch between ℃ and ℉. 5. Press the "Picture" button to select the corresponding tree type. Tree types 1, 2, 3, and 4 represent 4 different types of trees that will be displayed on the screen. (For detailed pictures, please refer to the manual) 6. Insert the probe into the material about 5mm deep, and then the moisture content reading will be displayed on the screen. 7. When measuring, press the "Mode" button to switch between the hold/max/min mode. (Note: When pressing the "Mode" button to hold or cancel the hold reading, make sure that the hold time does not exceed 2 seconds.) Continue to press the "Mode" key to clear the current value and recalculate. 8. After the measurement is completed, press and hold the "Start/Close" button (put all the covers back to their original positions for more than 2 seconds) to turn off the instrument.