"Features: 1. Measuring range: Humidity is 7.5%-50%. LCD backlight: In the dark environment, you can control and see clearly. < / p> 2. Automatic shutdown: automatic shutdown after 15 minutes of inactivity. 3 .Double sensors, high precision and stable performance. Press the "Variety" button to select the grain variety. 4. Including the following functions: low battery indication, Data hold, drift settings and alarm settings. 5. Moisture meter can quickly measure the moisture content of grains. p> Description: The smart sensor hygrometer is used to measure the percentage substance of a given water, this information can be used to determine Is the material usable, wet or accidentally dry, or needs further inspection. Features: Measurement principle: resistance method Accuracy: 0.1/01% Display Backlight: Yes Adjust Bias: Yes Voice: Yes Alarm resistance setting: 10 presets (adjustable) Memory function: yes Box: 4 1.5V AA batteries (not included ) Product size: 80x43x425mm Packing:< /p> 1 set* hygrometer (without battery) Notes: 1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding. 2. The monitor calibration is not the same , the color of the item shown in the photo may be slightly different from the actual item."