Description 1.Wide Use:This Digital Moisture Meter is perfect for wood, firewood, logs, cardboard, paper and so on. 2.High Accurate Measure:Measuring wood by sensitive electrode pins at the range of 0-99.9% and accuracy is le than 0.5%. 3.4 Modes:You can switch different modes according to 4 wood groups, including approximately 50 species of wood, which makes measure more accurate. 4.Convenient Design:Large HD LCD with Data Hold function to show measure results; Auto power off to save battery power (battery NOT include); Low battery icon display. Ergonomic design provides great hand feeling. 5.Economic Material:Made of ABS Plastic for superior durability. Comes with environmental packaging. Feature 1.Use on wood, paper, cardboard, etc Measurement principle:Electrical resistance 2.Auto power off conserves battery energy, Data hold function Built-in battery check and low battery icon display 3.Complete with protective cap. 4.Memory contains 4 wood groups with calibrations for approximately 50 species of wood Specification 1.Range:0~99.9% wood 2.Resolution:0.1% 3.Accuracy:0.5% 4.Electrode length:10mm (0.4") 5.Electrode pins:Integrated 6.Auto Power Off:After approx.15 minute How to use STEP 1:Take off the protection cap of the meter, and pre "POWER" button STEP 2:Pre "MODE" to select matching wood groups STEP 3:Pushed the pins into the wood, and it displays reading STEP 4:Until the reading stability Pre "HOLD", and you can read the record. STEP 5:Pre "POWER" button to close the device, or 15m Auto power off function save your battery Wide Use It is perfect for wood, firewood, logs, cardboard, paper, concrete and many kinds of wall such as lime wall, plaster wall, brick wall and so on. Wood Species Group Table A:Teak Walnut Afromosia Rubber tree B:Keruing White poplar Beech Cedar Tola C:Lauan Ash Elm Fir Maple Padauk Tola D:Bawood Larch Pine Birch Include package 1*Digital LCD Wood Meter 1* Instruction manual 1* Battery