This is an easy-to-use instrument to measure the moisture of the wood. It features sensitive probe, 4 different modes and digital LCD display, is applicable to more than 50 kinds of common wood. Pocket size and light weight for easy portability. Using Steps: 1. The lid is tightly closed, please pinch both sides of the lid and pull hard to remove it. 2. Turn on the moisture meter. 3. Press the mode button to switch between A/ B/ C/ D according to the material to be measured. 4. Insert the probe into the material, the screen will display the moisture, press the hold button to read it. 5. Turn off, or wait for 15 minutes until it shuts down automatically. Note: Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Black/ Orange (Optional) Material: ABS Measuring Range: 0-99.9% Resolution: 0.1% Accuracy: 0.5% Power Supply: 9V 6F22 Battery Operating Temperature: 0-40 (32-104) Item Size: 145 * 67 * 32mm / 5.71 * 2.64 * 1.26in Package Size: 15 * 8 * 4cm / 5.91 * 3.15 * 1.57in Package Weight: 170g / 6.0oz Package List: 1 * Wood Moisture Meter 1 * 9V 6F22 Battery 1 * User Manual