Wood Species Group: A:Teak, Walnut, Afrormosia, Rubber Tree Imbuia, Kokrodua, Niove Bidinkala, Cork B:Keruing, White Poplar, Beech, Cedar, Tola C:Lauan, Ash, Elm, Fir, Maple, Padauk Oak, Cherry D:Bawood, Larch, Pine, Birch Feature Wide Use:This Digital Moisture Meter is perfect for wood, firewood, logs, cardboard, paper and so on. High Accurate Measure:Measuring wood by sensitive electrode pins at the range of 0-99.9% and accuracy is le than 0.5%. 4 Modes:You can switch different modes according to 4 wood groups, including approximately 50 species of wood, which makes measure more accurate. 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. Economic Material:Made of ABS Plastic for superior durability. Comes with environmental packaging. Specifications: 1.Measurement principle:Electrical resistance 2.Meter housing:ABS plastic 3.Range:Wood:0-99.9% 4.Resolution:0.1% 5.Accuracy:0.5% 6.Electrode length:10 mm(0.4 inch) 7.Electrode pins:Integrated 8.Auto power off:After approx.10 minutes 9.Display:Large LCD characters display 10.Power:1 * 9V 6F22 battery (Not Included) 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 Package included 1 x Moisture meter (no including battery) 1 x User's Manual