The #MM1E is ideal for measuring the moisture content of wood and construction materials. It can be used to locate water leaks in roofs, floors and walls, to check for moisture in carpets and sub-flooring, and to make sure that wood and drywall is dry enough to be painted, wallpapered, sealed or treated. The MM1E measures moisture in two ranges (7% to 15% WME - Wood Moisture Equivalent - and 16% to 35% WME) on its 10-LED graph display. Pin length is 0.2 inches (5 mm). The protective cap doubles as calibration checker. It features full and low battery indications, comes with an included 9V battery and is CE and RoHS approved.Features:Can be used as a water leak detector after flood damage, or general water damages, determine the moisture content of wood and other building materials, or check water damaged areas to see if moisture is still presentStick the stainless steel pins into the surface of what you are measuring in order to get a read-out of moisture present. Pin length is 0.2 inches (5 mm)Moisture meter features a 10-LED display for quick and easy viewing; ergonomic size fits in one handBy checking suspicious water stains with a moisture tester around the house, you can determine whether the area is wet (a perfect breeding ground for mold) or has long since driedIdeal for homeowners and contractors to measure moisture content in wood, drywall and subflooringHandy woodworking tool to measure the moisture content of wood before buyingIncludes:Battery1-year limited warrantyWARNING: This product can expose you to chemicals including di2-ethylhexylphthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.