8 Kinds of Materials: This moisture meter can be applied to measure different woods (0-88%), as well as other materials such as cement mortar (0%-8.6%), limestone mortar (0%-9.9%), bricks (0%-16.5%) and karstenite (0-11.0%). Multifunction: digital moisture meter with backlight and HD LCD display which clearly displays the readings. Data retention when pressing the "Hold" button, maximum/minimum value lock, low battery icon display and automatic / manual shutdown Double protection: wood moisture detector with pin cover and outer silicone case, which can protect the probe from dust and damage as well as protect your hands from hurting. Professional moisture detector perfect for woodworking, building construction, slow leak detection of floors and attics as well as wooden floors, cabinets, plywood, paneling, cement mortar and so on. Portable hygrometer: compact and lightweight design, easy to use and transport. To remark! Batteries not included.