Wintact WT635 Wood Moisture Meter with 10 Gears 1. Battery: 1000mAh 3.7V lithium battery 2. Size: 13.4 x 6.1 x 2.5cm 3. This meter is a precision meter, using the most advanced microcontroller computer chip core technology. It offers more accurate data, easy operation, and visual readings. With 10 gears for use, it can offer more accurate moisture value. The meter has a beautiful design. It is easy to carry and suitable for measuring the moisture content of wood, bamboo, paper, herbal medicine and other wood fiber items in various occasions. 4. There are 8 gears available for wood measurement and 2 gears for building material measurement. 5. Data hold 6. Adopt microcomputer (CPU) to make the measurement more accurate. 7. Large LCD display with backlight illumination ensures clear and parallax-free readings. 8. Automatic shutdown after 10 minutes without any operation, or manual shutdown. 9. Be able to measure the temperature of the environment. 10. Technical parameters: Wood: Grade 1: 2~69% Grade 2: 1.5~65% Grade 3: 1~60% Grade 4: 0.5~55% Grade 5: 0.5~50% Grade 6: 0.5~45% Grade 7: 0.5~40% Grade 8: 0.5~35% Construction material: Grade 1: 0.5~15% Grade 2: 0.5~12%