This moisture sensor helps to find and pinpoint any slow leaks inside walls, under floors and above ceilings that can lead to water damage, mold, and mildew Feature: Wood moisture detector is a great tool for manufacturers, flooring installers, inspectors, and lumber suppliers to quickly and easily scan the %MC (Moisture Content) in their wood products Building Mater measuring quickly know the moisture level in your walls, wood, and masonry can give you an estimate of the potential for moisture growth throughout your home and finding moisture is the first step in early leak prevention. 4 types of woods for selection: Based on different types of wood materials A: Teak, Walnut, Afrormosia, Rubber Tree Imbuia, Kokrodua, Niove Bidinkala, Cork B: Keruing, White Poplar, Beech, Cedar, Tola C: Lauan, Ash, Elm, Fir, Maple, Oak, Cherry D: Basswod, Larch, Pine, Birch Specifications: Color: Yellow Display: LCD Principle: Electrical Resistance Range: Wood 1%~99% Resolution: 0.1% Accuracy: ±0.5% Electrode Length: 10mm(0.4") Electrode Pins: Integrated Operation Temperature: 32 - 104 Degree Low Battery Indication: Yes Automatic Power Off: Yes Certification: CE Overall Dimension: 2-3/4"(W) x 5-3/4"(L) x 1-1/4"(H) Package Contents: Wood Moisture Meter 4 x AAA Batteries Manual