Features: Quickly determine the level of remediation needed to help keep your family safe from black mold. Measuring moisture content in wood or drywall is the first step in early prevention. Integrated temperature detection in C/F; one-button operation to display ambient temperature. High-sensitivity probe with backlit display, data hold, max/min value, recording function, and low battery indicator. Suitable for use on wood, walls, brick, paper, and similar materials. Specifications: Material: ABS + Metal Size: 18 x 6 x 3.3 cm / 7.1 x 2.4 x 1.3 in Moisture measurement range: 058.0% (accuracy 2.0%) Temperature range: -20C to 60C / -4F to 140F (accuracy 1.0C/F) Relative humidity range: 099.9% RH (precision 4.0% RH) Material settings: 1. Beech, spruce, larch, birch, cherry, walnut Range: 9.0% 57% 2. Oak, pine, maple, ash, Douglas fir, eucalyptus Range: 7.0% 52% 3. Cement mortar layer, concrete Range: 0.9% 23.0% 4. Anhydrous gypsum mortar layers Range: 0.0% 12.0% 5. Cement mortar Range: 0.7% 9.0% 6. Lime mortar, gypsum Range: 0.5% 10% 7. Brick Range: 0.0% 17% Note: Please allow 13 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the image may not reflect the actual color of the item. Package includes: 1 x Wood Moisture Meter