Specification: Item Type: Grain Moisture Meter Material: ABS, Composite Wood Weight: Approx. 2790g 98.4oz Aluminum Box: Approx. 35.5x24.5x13.5cm 14.0x9.6x5.3in Assembled Product Size: Approx. 35.3x19.7x10.5cm 13.9x7.8x4.1in Batteries: 4 x AA Battery (Not Included) Power: USB 5V Power Supply: USB or Battery (Choose 1, Do Not Use Simultaneously) Temperature Adjustment: Automatic Operating Temperature: 0-40Measurement Time: 10S Measurement Error: 0.5 Repeatability: 0.2 Measurement Range: 3-35 Features: Voice Broadcast Temperature Compensation: Built in Thermistor Automatic Compensation Display: High Brightness Backlit LCD Measurement Object: Grains and Other Non Metallic Granular Samples Operating Method: 1. Preparations before Use, 2. Calibration of Electronic Balance, 3. Moisture Measurement, 4. Wheat Moisture Measurement and Volume Conversion, 5. Error Correction, 6. Calibration, 7. Restore Factory Settings, 8. Status Indication, 9. Additional Functions of Instrument Grain Measurement Varieties: Japonica Rice, Soybeans, Wheat, Rapeseed, Corn, Barley, Rice, Long Grain Rice, Maize, Peanut Kernels, Sorghum, Black Sesame Seeds, Safflower Seeds, Watermelon Seeds, Cotton Seeds, Bean Cake, Cottonseed Meal, Rapeseed Meal, Granulated Feed How to Use: Connect the power and turn on the device by pressing the ON OFF button. PackageList: 1 x Grain Moisture Meter 3 x Accessories 1 x User Manual 1 x USB Cable 1 x Weight 1 x Cleaning Brush 1 x Aluminum CaseAnti Slip Footpad: Designed with anti slip footpad at the bottom for stable placement on the desktop. USB or battery power supply (Choose 1 method, do not use both simultaneously). Features: Automatic weighing, temperature compensation, average moisture calculation, density conversion, multi point calibration, error correction, intelligent sleep, low power consumption, voice prompt. Auto Power off: Grain moisture meter will automatically shut down if the measurement is stopped for more than 3 minutes. Measurement: Accurate, fast, and convenient. Compliant with moisture detection standards for over 20 different grains, additional features for density and temperature measurement. LCD display, bright and clear. Battery power icon display. Application: Uses the capacitive sensing principle for grain detection, suitable for inspection and measurement of grain procurement and storage, as well as professional teaching in colleges and universities.