Features: High accuracy Moisture Meter with ±2.5% Accuracy Advanced single chip technology measures 0 to 100 percent humidity and temperature for wood, bamboos, paper, and herbal materials. Features a large LCD screen displaying real time humidity, temperature, and point data, with 1 button navigation and auto calibration for sustained accuracy. Ideal for carpenter, construction workers, herbalists, and enthusiasts requiring not intrusive moisture detection up to 40mm depth without surfaces damage. Portable handheld design perfect for workshops, laboratories, home inspections, and field use to monitor structural wood, drywalls, or firewood moisture levels. Needle easy operate preserves component integrity while delivering stable moisture readings, backed by lightweight construction and hassle easy maintenance. Specifications: Component : plastic Size: about 3x6x19.9cm/1.18x2.36x7.83inch Probe length: 58mm Measuring depth: 5-40mm (0.2-1.57 inches) Measurement ranges: 0-100% Measurement accuracy: ±2.5% Battery: not included Package Includes: 1xHumidity Meter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.