This is a Benetech GM640 digital grain moisture meter, designed for quick measurements of moisture content in various grains [5.1, 5.8].The device features a backlit LCD display and a long measuring probe, suitable for testing grains like rice, corn, wheat, and soybeans [5.4, 5.8].It has a measuring range of 5% to 30% for moisture and can also measure environmental temperature between -10°C and 60°C [5.4, 5.11].