Feature : Product Name: Grain Moisture Tester Model: GM640 Functional and technical parameters Measuring range: 5% -30% moisture, temperature -10oC-60oC Maximum error: Moisture (1% Rh = 0.5), temperature 2.5oC ( 5oF) Resolution: 0.5% moisture, temperature 0-85% Rh Operating environment: temperature 0oC-40oC / Humidity 0.1-85% Rh Grain varieties to choose: Grain moisture test: Food temperature test: Grain moisture standard setting and excessive moisture Tip: Backlight control function: Celsius, Fahrenheit temperature unit conversion: Battery hold function: Auto power off function: 5 minutes without any operation automatic shutdown Data hold function: Size Host: 72 * 35 * 145mm Probe: 415 * 36 * 36mm Weight: Host: 190.6g, probe: 208.3g Power: 3 * 1.5VAAA battery ( No included )