Feature:1. Measuring range: is 7.5%-50%.2. LCD backlight: You can control see it clearly in a dark environment.3. Auto power-off: It will be shutdown in 15minutes without any operation.4. Double sensor for high accuracy and stable performance.5. Can choose grain species by pressing the key "Varieties".6. Includes low battery indication, data hold, deviation adjustment and alarm setting functions.7. The meter can quickly measure the content in grain. 8. The probe is well protected by a plastic cover, not easy to be damaged.9. Memory function setting: If the batter was removed, the setting content will never disappear.10. Measurement 14 kinds: Paddy, Wheat, Corn, Barley, Rice, Sorghum, Feed, Rapeseed, Seed melon, Sesame, Soymeal, Soybean, Peanut, Seed Cotton. Specifications:Name: Grain meterItem weight:260gItem size:415 * 70 * 33mmSensor type: Double probeVoice over: supportMemory function: supportMeasuring range: 7.5%-50%()measurement resolution: 0.1%Deviation adjustment: -3% to +5%Power: 4 * 1.5V AA Batteries (not included)Probe Length: 220mm