The Triplett MS120 Pinless Moisture Meter measure moisture content in wood (0.1 to 99.9%) and other building materials (0.1 to 56.5%). The MS120 utilizes pinless measurement for non-invasive testing. The MS120's low, medium and high icons indicate moisture level and an audible indicator increases as the moisture level gets higher for quickly scanning large areas. The MS120's data hold freezes measurement on screen for hard to see areas. The MS120's self-calibration on power up. The MS120 is for home inspection, water damage restoration, lumber yards, painting, paper mills, textile, clothing manufacturing, and other industries. 1 year warranty.