Mudder WM-01 Big LCD Display Digital Wood Moisture Meter, To Measure the Percentage of Water in Firewood, Furniture, Floor, Cordwood and Trees The MT-10 is a pin moisture meter that is made for direct insertion into materials in order to measure the amount of moisture present within the material. The sharp pins are made to make insertion as simple as possible and values are relayed via the LCD screen on the front of the tester. Backlit screen for use in poor lighting conditions Auto shut down when left idle in order to conserve the battery life