[Accurate Measurement, Extended Range] Get an accurate reading every time. With a measuring range of 5% to 40% and an accuracy of less than 1%, you can be sure you know the exact condition of your building materials, drywall, flooring or other materials. < p>[Includes Spare Pins] Don't let a broken pin slow you down. Always have a reliable, working measurement with the 2 spare built-in sensor pins we've included for your convenience. Powered by one 9V battery (included). [Easy-to-Read LCD Display] With its large LCD display, the Dr. Meter Wood Moisture Meter will keep you up to date with easy reading. screen to read. In addition, this moisture meter is ergonomically sized so you can hold it in one hand to walk through small spaces. the materials are in good condition. Protect yourself by using this wood moisture meter to detect possibly wet wood. [Variety of Uses] Whether you're checking out a construction site or planning to buy new lumber, don't be surprised. Use this tester to locate moisture in carpets, wooden subfloors, in the construction and agricultural industries, as well as to assess damage after flooding.