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%). Multi-function: Digital moisture meter with backlight and HD LCD screen that clearly displays the readings. Data retention when you press the "Hold" button, maximum/minimum value lock, low battery icon display and automatic/manual shutdown Double Protection: Wood moisture detector with pin cover and silicone outer casing, which can protect the probe from dust and damage as well as protect your hands from injury. 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 moisture meter: Compact and lightweight design, easy to use and carry. Notice! Batteries not included.