Wintact WT637 2.4 inch Color Screen Wood Moisture Digital Meter This wood moisture meter utilizes cutting-edge microcontroller technology to ensure highly accurate test data, simple operation, intuitive readings, and precise moisture measurement. Its stylish design and portability make it ideal for measuring moisture content in wood, bamboo, paper, and traditional Chinese medicine in a variety of environments. Features: 1. Three-color moisture content indicator 2. Reading lockunlock function 3. Zero point calibration 4. Flashlight 5. Maximumminimum display 6. Automaticmanual power off 7. Powered by a 1000mAh lithium battery 8. Buzzer alarm 9. 2.4-inch color display 10. Ambient temperature measurement Parameters: 1. Detection depth: 5-40mm 2. Measurement range: 0-100%RH 3. Measurement accuracy: 2.5%RH (at 25 Degrees Celsius ambient temperature) 4. Temperature measurement range: -10 Degrees Celsius to 60 Degrees Celsius (14-140 Degrees Fahrenheit), displaying -10 Degrees Celsius or 60 Degrees Celsius if out of range 5. Power supply: 1000mAh 3.7V lithium battery 6. Display: 2.4-inch color screen 7. Operating Temperature: 0-45 Degrees Celsius (32-113 Degrees Fahrenheit) 8. Operating Humidity: 0-75% RH 9. Storage Temperature: -20 to 70 Degrees Celsius (-4 to 158 Degrees Fahrenheit) 10. Auto Power Off: Approximately 15 minutes of inactivity 11. Dimensions: 185 x 61 x 25.2mm 12. Weight: 160.5g Measurement Range: Grade A: Material density (0.5-1.2gcubic centimeters) 0-52% Grade B: Material density (1.2-1.8gcubic centimeters) 0-39% Grade C: Material density (1.8-2.4gcubic centimeters) 0-28% Grade D: Material density (2.4-3.0gcubic centimeters) 0-19%