[Accurate Measurement, Wide 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 to know the exact condition of your building materials, drywall, flooring or more. [Includes Replacement Pins] Don't let a broken pin slow you down. Always have a reliable and working measurement with the 2 spare built-in sensor pins we've included for your convenience. Powered by a 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 its easy-to-read display. In addition, this moisture tester has an ergonomic size that allows you to hold it in one hand to get into small spaces. [Detect Waterlogged Wood] When purchasing wood, you need to make sure the materials are in good condition. Protect yourself by using this wood moisture meter to detect potentially waterlogged wood. [Variety of Uses] Whether you are checking the status of a construction