1. Adjustment deviation: the user can adjust from -3% to +5% each time the button is pressed, the value will increase by 0.5% and press for 3 seconds to return to 0% 2. Chinese/English switching voice broadcast: the whole process of instrument setting, testing, and checking is accompanied by voice reminders 3. Metal probe / more : high-sensitivity probe, can measure grain water distribution plastic protective cover at different depths, to avoid accidental injury to others 4. Automatic shutdown: 15 minutes without operation, automatic shutdown 5.LCD backlight display: Large-screen high-definition display shows clear and non-ghosting, which is convenient for operation and measurement in dark environments Welcome and I wish you a happy life, my friend., Manufacturer: BGAZA