General Tools MMD5NP Moisture Meter, Pinless, Digital LCD Enables moisture measurement of a variety of materials without having to pierce the material's surface Has a range of 0.0 to 99.9% WME for wood, 0.0 to 56.5% WME for building materials, and measures up to a depth of  in Sports a Jumbo LCD display with intuitive on-screen icons for low/medium/high moisture content, and wood/building materials mode Includes audible peak reading alert Displays low and very low battery warnings