Features: Quickly determine what level of remediation is needed to keep your family safe from black mold. Finding the moisture content in your wood or drywall is the first step in early prevention. Integrated with temperature detection in °C/°F, one button click to know ambient temperature. High sensitivity probe moisture meter features backlit, data hold, max/min value, recording & low battery indicator. This moisture meter tester is for ideal to use in wood, wall, brick, paper, etc. Specifications: Material: ABS+Metal Size: 18x6x3.3cm/7.1x2.4x1.3in Moisture measurement: 0-58.0% (accuracy ±2.0%) Temperature: -20℃~60℃ /-4℃~140℃ (accuracy ±1.0%) Relative humidity: 0-99.9%RH (precision 4.0%RH) Material selection: 1. Type: beech, spruce, larch, birch, cherry, walnut The range of 9.0 ~ 57% 2. Oak, pine, maple, ash, Douglas fir, eucalyptus Scope: 7.0% ~ 52% Cement mortar layer, concrete Scope: 0.9% ~ 23.0% 4. Number of anhydrous gypsum mortar layers Scope: 0.0 ~ 12.0% Cement mortar Scope: 0.7 ~ 9.0% 6. Lime mortar, gypsum Scope: 0.5 ~ 10% 7.Brick Scope: 0.0 ~ 17% Package Includes: 1x Wood Moisture Meter note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.