Extech MO250 Digital Wood and Building Material Moisture Meter features: Wood and building material moisture measurement, wood material - 6 to 40 percent moisture content, building material - 0 to 100 percent moisture, basic accuracy of 5 percent with 0.1 percent resolution, LCD display with red LED bar graph, built in pins, easy operation data hold and Max/Min. Complete with 9V battery. Shown with optional remote probe (MO252). Offers the ability to measure wood moisture in difficult to access areas.