The EXTECH MO220 is specifically designed for monitoring moisture in wood. Memory contains 8 wood groups with calibrations for approx. 170 species of wood. Measurements can be taken using the integral pin electrodes or the included heavy duty remote probe. Automatically temperature compensated (ATC) readings when used with the temperature probe. Built-in calibration check, replaceable measurement electrode pins, user settable Auto Power off (1 to 9 minutes) with disable, and Low battery indication. Complete with protective cap, temperature probe, heavy duty remote moisture probe, replacement pins, two AAA batteries, and soft case.