GM640 Portable Digital Grain Moisture Meter with Measuring Probe LCD Display Tester for Corn Wheat Rice Bean Wheat Hygrometer This grain moisture meter can be applied to measure the moisture of corn, wheat, rice, bean, etc. It's portable and convenient for use. With LCD backlight display, users can read the digits clearly. Features: Measuring range: Moisture is 5%~30%, temperature is -10~60°C. Can choose grain species by pressing the key "SELECT". Moisture standard setup and overflow alert function. LCD backlight control for easy reading, low battery indication. Auto power-off and data hold function. The moisture meter can quickly measure the moisture content in grain.  Can measure the temperature of food at the same time, unit shift between Celsius and Fahrenheit. Suitable for grain purchase, storage, processing and so on. Specifications: Measuring Range: 5%~30%(Moisture); -10~60°C(Temperature) Moisture Resolution: 0.5% Temperature Resolution: 0.1°C Moisture Error: +/-(1%RH+0.5) Operating Environment: 0~40°C, 0~85%RH Power: 3 * 1.5V AAA Batteries (not included) Probe Length: 41cm / 16in Probe Weight: 210g / 7.41oz Cable Length: 100cm / 39.4in Meter Size: 14.5 * 8 * 3.5cm / 5.7 * 3.15 * 1.38in  Meter Weight: 192g / 6.75oz Package Size: 46 * 11.5 * 4cm / 18.11 * 4.53 * 1.57in Package Weight: 499g / 17.61oz Package List: 1 * Grain Moisture Meter 1 * Measuring Probe 1 * User Manual (English)