High Precision Measurement Perfect for wood, lumber, lumber, logs, cardboard, paper, concrete, and many types of walls. Thanks to the sensitive electrode tips in the range of 0-80% and the accuracy is less than 2%. 4 Modes: You can change the different modes according to 4 wood groups, including about 50 wood species, which makes the measurement more accurate. Futions Used: Large LCD screen with value retention function to display measurement results; Automatic shutdown for less battery expenditure (battery included). Convenient Design: Made of ABS plastic for superior durability, sliding feel on both sides. Compact and lightweight size. Supplied with a protective cover. Large Measuring Range: You can also test the building material, different building materials with different ranges of measurements, like plaster walls, anhydrite wall, cement plaster, limestone mortar, brick. Features: / p Condition: 100% brand new. Material: plastic. Color: see picture. Operating temperature: 0 to 40 C. Storage temperature: -10 to 50 C. Measurement accuracy: 0.1%. Measurement of electrical conductivity: 2%. Protection level: IP20. Measuring range: 0-80% RH. Power source: 1 battery of 9 V 6F22, automatic shutdown. Dimensions of the product (W x L): approximately 53 x 138 mm. Product thickness: approximately 31 mm. Package weight: 70 g. Contents: 1 wooden humidity gauge. Note: When the humidity value is lower than the minimum measured value it displays "0" and beyond the maximum measured value it indicates "LO". Note: this does not include other things, the color is based on the first picture and other pictures only show effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!