Smart Test: With this tester, you can easily measure moisture content and ambient temperature, very practical. Multiple uses: There are also multiple detection modes, which can detect various wood materials, cardboard, paper, slate, siding, etc. Clear display: The digital display can clearly view the data and ensure higher measurement efficiency. Easy to carry: Lightweight and compact, both storage and carrying are very convenient for daily work. High Accuracy: The moisture meter is designed to have a wide measuring range and easy operation. Note: The probe of this instrument is very sharp. Never use it as a toy for children to avoid injury. When not in use, please close the protective cover. This instrument is a high-resistance instrument, and all parts must have good insulation. In order to ensure the accuracy of measurement, please pay attention to moisture-proof and dust-proof, keep the instrument dry and clean to ensure the accuracy of measurement. Remove the battery cover, install 2 AAA dry batteries, and press the power button once to turn on the battery (not included). . After the product is turned on, it has a blue backlight, which can be clearly displayed when the light is insufficient. 2. Remove the electrode needle cap to expose the electrode needle. 3. Press the "Wood" button to select the appropriate wood calibration scale A, B, C, D (see the wood calibration table later in this guide) to measure the corresponding wood. 4. Or press the "Paper" or "Wall" key to select paper mode or wall mode. Paper mode is used to test paper/cardboard/carton. Wall mode is used to test slate/siding/flooring. 5. Insert the needle into the material and read the current display data. Press and hold the HOLD/C/F key once to lock the display reading. 6. Read the current ambient temperature. Press and hold the HOLD/C/F key for 3 seconds to toggle between Celsius and Fahrenheit. 7. Press the power button once to power off the instrument. Wood detection range: 4~75% Paper detection range: 4~90% Wall detection range: 0.2~24% Resolution: 0.1% Accuracy: 0.5% Quantity: (1 Piece) Wood Moisture Thermometer other products not included Size: about 144*64*31 mm (for reference only) Color: as pictured Note, because there may be color and size difference between the light effect photo and the actual product, please allow 1-2 cm error