Displays moisture level in wood and other building materials. REED R6013 Offers This compact moisture detector uses electrical resistance to measure the moisture content of sawn timber, cardboard paper, hardened materials like plaster, concrete and mortar. Features Measures wood and building material moisture Detects moisture in sawn timber, sheet rock, cardboard, plaster, concrete and mortar Compact size with belt clip Durable impact-proof plastic housing Built-in measurement verification and battery check Replaceable pins Low battery indicator and auto shut-off Included Moisture Detector Protective Cap Batteries