Feature: 1. HD Backlit Color Screen: Easily read data with a measuring range of 0 to 100 (relative reading). Convenient HOLD function for locking screen and reading measurement data. 2. Auto Calibration: Press MEAS button at startup for automatic calibration, ensuring the instrument is at least 100mm away from any object during calibration process. 3. Deep Measurement Depth: Measure moisture levels from 5 to 40mm deep, making this spherical inductive moisture meter easy to measure internal moisture content. 4. Auto Shut Off with Illumination: Automatically shuts off after 30 minutes of inactivity, with a flashlight design for accurate measurements in low light or nighttime conditions. Enhances efficiency and usability. 5. Wide Applications: This moisture meter is ideal for detecting roof leakages, measuring wood moisture, checking moisture levels in brick wall, and testing moisture in wooden floors. Specification: Item Type: Spherical Inductive Moisture Meter Material: ABS Battery Type: 3 x AAA Batteries (not included) Probe Length: Approx. 58mm / 2.28in Measurement Range: 00.0 to 100.0 Alarm: Indicator Light and Buzzer Alarm Operating Temperature: 0 to 45℃ Operating Humidity: 0 to 75% Measurement Depth: Approx. 5 to 40mm / 0.2 to 1.57in Measurement Accuracy: ±2.5% (at 25℃) Display Screen: 2.4 inch Color LCD Screen Auto Power Off: 30 minutes of inactivity Storage Temperature: -20 to 70℃ . Package List: 1 x Spherical Inductive Hygrometer 1 x Storage Bag 1 x Manual Note: Calibration Instructions: After calibration, the display reading must not exceed 0.3. If it exceeds, recalibration is needed. During calibration, make sure hands or other objects are kept away from the spherical probe.