Package Included:1 x Humidity meter1 x Instruction Manual2 Pin Digital Wood Moisture Detector Portable Wood Tester Range 0% - 99.9%Functionality:This instrument is a humidity meterconductivity specially designed for the wood industry.The humidity meter adaptsa direct and accurate method for measuring moisture level by penetrating 2 poles and sharp pins (each pin is 0.4 or 10 mm long) into the wood.Direct pin penetration can ensure the highest accuracy of your measured humidity readings.Classify into 4 types of wood for selection:A. Teak, walnut, Afrormosia, gum, Imbuia, Kokrodua, Niove Bidinkala, CorkB. Keruing, White poplar, Beech, Cedar, TolaC. Lauan, ash, elm, spruce, maple, padauk, oak, cherryD. Linden, larch, pine, birchSpecification:Large clear notch: 1.7 inches (4.25 mm)2 metal pins: approx. 0.4 inch (10MM)4 types of wood species for selectionMeasuring range: 0 - 99.9%Resolution: 0.1%Accuracy: +/- 0.5%Meter case: ABS plasticData retention functionAutomatic shutdown: approx. After 15 minutes without surgeryPower supply: 1x 9V battery (not included)Item Dimension: 5.7 x 2.6 x 1.3 inches (145 x 67 x 32 mm)Item Weight: 3.7g (104g)