8 Types of Materials: This moisture meter can measure various woods (0-88%) as well as other materials such as cement mortar (0-8.6%), limestone mortar (0-9.9%), brick (0-16.5%) and karstenite (0-11.0%). Multifunction: Digital moisture meter with backlight and HD LCD display that shows the readings clearly. Data retention when pressing "Hold" button, maximum/minimum value lock, low battery icon display and auto/manual power off Double Protection: Wood moisture detector with pen cover and silicone outer case, which can protect the probe from dust and damage and protect your hands from hurt. Professional moisture detector, perfect for woodworking, building construction, slow leak detection of floors and attics as well as wood floors, cabinets, plywood, paneling and cement mortar and so on. Portable Hygrometer: compact and lightweight design, easy to use and carry. Note! Batteries not included.