The humidity sensor features an automatic shut-off function to help save energy. If you forget to turn off the device, it will automatically power down after 3 minutes of inactivity. This moisture meter is suitable for measuring wood, walls, boats, bricks, concrete, sawdust, wood chips, and other materials. Accurate readings are quickly displayed on a large digital screen for clear visibility. The device includes a data hold function that allows you to lock and retain the measured value for recording and comparison. Product Description: Our humidity detector is designed with an automatic shut-off feature to conserve power. Accurate results are shown promptly on a large digital display for easy reading. The sensor automatically powers down if left unused, enhancing energy efficiency. Features: - Moisture tester - Color: Yellow - Material: ABS - Size: 147 x 49 x 23 mm - Measuring range: 10–40% - Resolution: 0.1% - Humidity effect: ≤ 70% RH - Operating temperature: 0–40°C (32–104°F) - Storage temperature: -10–50°C (14–122°F) - Auto shut-off: After 3 minutes - Data hold: Yes Note: 1. 1 inch = 2.54 cm / 1 cm ≈ 0.393 inches 2. Please allow 1–3 cm variation due to manual measurement. Package Includes: 1 x Moisture Tester