Product Parameters: : Drink : 2% - 70% RH. Resolution : 0.5%. Precision : 0.5%. 4 Wood Selection Modes - Press the MODE button to choose the right wood density (1, 2, 3, 4). WIDE APPLICATION:: Stable performance and fast response - suitable for contractors, carpenters and homeowners to measure the moisture content of most wood, bamboo, paper, grass, books, wooden blocks, wooden boxes, etc. . Product Features: : Auto power off after 10 minutes without any operation, data hold function, large LCD display, switchable backlight, easy to read. Product Description: : This professional wood moisture meter is designed to measure the moisture in wood, bamboo, paper, grass (also paper and cardboard) and hardened materials (mortar, concrete and plaster).Multifunction: : the measurement provides a basis for knowing whether to continue drying and better guarantees the quality of the wood for woodworking, construction and agriculture.