Features: Wide measurement range 0~99.9%, suitable for 4 group wood species Large LCD display of wood moisture value Built-in four kinds of patterns with precise testing Employ ergonomics design to adapt various special occasions Built-in low battery detection and automatic power off Auto power off: after about 10 minutes Specification: Power supply: One 9V battery (not included) Operating temperature: 0~40 C (32~104F) Measurement range of wood: 0~99.9% Resolution: 0.1% Accuracy: +/-0.5% Material: ABS plastic Size: 14.5*6*3cm 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: Basswood, larch, pine, birch Packaging includes: 1 x Digital Wood Moisture Meter 1 x Mannual Do ? Yes,we do.If you have any question please contact us. Production Material Safety? All products are 100% new, workable and checked carefully before sending out. When is the parcel sent? We will send out order within 5 workdays. The delivery time will vary according to different countries and will be affected by weather, public holidays and so on. If order doesn't received in declare time, please contact us. How about refund? Full refund if the item does not match the description or defective.