The SAM-PRO Dual Moisture Meter quickly tests moisture levels & temperature in Wood, Concrete, Drywall & Other Building Materials. Easily detect Water Damage, Mold Risk, Leaks, Wet Building Materials & Seasoned Firewood. Simply take off the protective cap, press the Power button, select your material type and push the two pins of the meter into the material you want to measure. A couple seconds later the device will display the moisture content on its large easy-to-read LCD display. Taking measurements in hard to access area, like the back of your firewood shed? Turn on the backlight. Want to know the range of moisture values taken at various locations? Use the Min and Max display feature of the SAM-PRO moisture tester. Even includes an air temperature sensor. Packaging Includes: ✔︎ Moisture Meter ✔︎ Travel Case ✔︎ Owner's Manual ✔︎ 9V Battery