This instrument is a precision wood moisture meter through pin contact, which is suitable for measuring water content of bamboo or wood products, cotton, paper, herbal medicines, plaster, etc. These information can be used to determine if the material is ready to use, accidentally wet or dry, or require further inspection. Features: 1. Digital LCD Screen: For clear humidity display. 2. Small Volume and Light Weight: Convenient to carry and use. 3. Measurement data can be saved in them memory, convenient for reading. 4. Support data hold, low battery indication and automatic temperature compensation. 5. Replace test pins without opening the case, convenient for routine maintenance. 6. Suitable for measuring water content of bamboo or wood products, cotton, paper, herbal medicines, plaster, etc. Specification: Model: MD812 Moisture Measurement Range: 5%~40% RH Accuracy: 1% Power Supply: 1*9V 6F22 Battery (NOT included) COlor: Black + Orange Size (L*W*H): 13*6.4*3.2cm / 5.12*2.52*1.26in Weight: Approx. 155g/5.5oz Package list: 1 * Moisture Meter 1 * Hand Bag 2 * Spare Sensor Pin Note: 1. Due to the difference between monitors and light effect, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding. 1Digital LCD Screen: For clear humidity display. 2Small Volume and Light Weight: Convenient to carry and use. 3Measurement data can be saved in them memory, convenient for reading. 4Support data hold, low battery indication and automatic temperature compensation. 5Replace test pins without opening the case, convenient for routine maintenance.