Instant and Precise Readings: It reads to a depth of approximately 12 mm into the slab. Plus, the current reading can be captured via the hold function,Four Measurements: Easily set the wood species from hardwood to softwood you need to measure. Offers a relative moisture content (comparative) measurement,No More Smoky, Slow burning Fires: Quickly, easily and affordably find out if pieces of firewood are ready to burn at the woodpile before carry it in,Tips one: Why it read 0%, when the wood slab was too dry to register readings,the wood at this moment is an insulator leading to a non-conductive between the two pins,Tips two: For best results of wood moisture content, push the pins deep into the material, make sure pins are in contact with the material( wall, wood or hardwood),Tips three: Pins sense and measure along their full length, so that Pins penetrating a dry material through a wet outer surface can read moisture content,Longer Battery Life: Low power requirements enable up to 500 tests on one set of AA batteries