This Moisture Meter is a professional moisture tester for measuring the moisture level in wood (firewood, beech, larch, pine, etc) and building material (cement, concrete, plaster, brick, etc). The measurement provides the basis for whether it needs to continue to dry or not, to better safeguard the quality for woodworking, building construction and agriculture industry. Features: Quick Measurement - Fast measure the moisture content of many kinds of materials with max and min value reading. Wide & Precise Range - Moisture 0percent ~80percent RH, Resolution: 0.10percent , Accuracy: +/-2percent . Stable Performance And Quick Response - Reliable for contractors and homeowners to test moisture content in sub-flooring woodworking, building material, drywall, garden plants and carpets. 8 Kinds of Material Type Selection - Press the "M" button to select the appropriate material type(1, 2, 3, 4, A, B, C, D). More Practical With Versatile Function - Auto power off in 10minutes without any operation, large LCD display, easy to read. The Probe Is Well Protected - By a plastic cover, not easy to be damaged. Product is protected with a soft protective cover. Different modes for different material type: A: Karstenite (0percent ~11.0percent )???? ? B: Cement Mortar (0percent ~8.6percent ) C: Lime Mortar (0percent ~9.9percent ) D: Brick (0percent ~16.5percent ) Type 1: Rhodesia Teakwood, Ormosia, Brazilian Walnut (0percent ~80percent )???? ? Type 2: Walnut, Clones Wood, White Poplar, Teakwood (0percent ~80percent )????? ? Type 3: Fir, Douglas, Lauan,? WhiteAsh, White Fir, Maple, Ash Wood, Cork Wood, Sandalwood, Elm, Koombar, Hemlock, Borneol Wood, Oak (0percent ~80percent ) Type 4: Masson Pine, Chile Pine, Spurce, Larch, Apitong, Birch, Basswood (0percent ~80percent ) Specifications: Color: Black Material: ABS Plastic Display: LCD Display LCD Size: 30 * 35mm Range: Wood 0percent ~80percent RH, According to different material type to select different mode as following: Type1: 0percent ~80percent , Type2: 0percent ~80percent , Type3: 0percent ~80percent , Type4: 0percent ~80percent Resolution: 0.10percent Accuracy: +/-2percent Can Measuring other Material: A-Karstenite, B-Cement mortar, C-Lime Mortar, D-Brick.?? ??? ??? ??? ? A-Karstenite Measuring Range: 0percent ~11.0percent B-Cement Mortar Measuring Range: 0percent ~8.6percent ?? ??? ??? ??? ? C-Lime Mortar Measuring Range: 0percent ~9.9percent D-Brick Measuring Range: 0percent ~16.5percent Probe Length: 9.8mm Measurement Principle: Electrical Resistance Electrode Pins: Integrated Automatic Power off Time: About 10minutes Other Function: 8 Kinds of Material Type Select Function Power Supply: 3 * 1.5V AAA Battery (Not Included) Operating Environment: Temperature: 0~40 celsius , relative humidity: 20percent ~90percent Storage Environment: Temperature: -40~70 celsius , relative humidity: 0~70percent Item Size: Approx. 130 * 49 * 30mm / 5.1 * 1.9 * 1.2in Item Weight: Approx. 108g / 3.8oz Package Weight: Approx. 176g / 6.2oz Package Size: Approx. 19 * 8 * 5cm / 7.5 * 3.1 * 2.0in Package List: 1 * Moisture Meter 1 * User Manual(English)