Easy-to-read LCD shows both percent of moisture and low, medium, and high level icons. Meters also feature data hold, battery indicator, and auto power-off. Quickly obtain moisture readings on wood, wall board, sheet rock, cardboard, plaster, concrete, and mortar—ideal for water damage restoration projects and testing walls, ceilings, tile, and under carpeting. Convenient audible alert beeps faster as the moisture level increases. Feature built-in battery level check and measurement verification test.