Direct and Accurate MeasurementMoisture Meter adapts a direct and accurate method to measure moisture level by penetrating 2 sharp pins (each pin about 0.4inch or 10mm long) into the wood. Direct penetration can aure the highest accuracy of your measured moisture readings. 4 Mode to Improve AccuracyYou can switch different modes according to 4 wood groups including approximately 100 species of wood, because the wood moisture tester can base on your selected materials with applying the correction factors and provide you with the most accurate readings. Backlight and LCD DisplayAuto power off without any operation to save energy and data hold function. Unlike most other moisture meters out there, Wood Moisture Meter not only has a large and clear 1.7 Inch (4.25mm) LCD display, but also it has a backlight function that makes it easy to read test results even in dark conditions. High AccurateMeasure range :Measuring wood by sensitive electrode pins at the range of 0-99.9 percent , the resolution of 0.1 percent and accuracy is le than 0.5 percent . SatisfactionChoose us, you can get the package will include a Moisture Meter(Not Contains four batteries) and Instruction Manual. Just contact us to feel free if you have any questions about the product, we will reply to you as soon as poible within 24 hours and promise you a satisfactory solution. Specification:Product Dimensions:3 x 4 x 5 cm 13.61 Grams Batteries:4 AAA batteries required. Material:Wood, Metal, Rubber Item Package Quantity:1 Batteries included:No Batteries Required:Yes Battery Cell Type:Alkaline Item Weight:100g