Feature:Microcomputer technology (CPU) makes the measurement more accurate.It has automatic temperature compensation function.The data is clear, no parallax.Tested grain types: wheat, paddy, rice, maize. Automatic reading lock function and auto display low voltage prompt symbol.Speciation:Moisture test range: 2%~30%Resolution: 0.5%Temperature measurement range: -10~60C (14~140F)Maximum error: 2 C ( 4 F)Resolution: 1 C (2 F)Operating temperature: -10~40C (14~104F)Operating humidity: 0~70% RhPower: 1 x 9V battery (Not included the battery)Size: 14 x 7 x 3.4cm / 5.51 x 2.76 x 1.34 inch (appr.)Probe length: 41.5 x 3.5 x 4.5cm / 16.34 x 1.38 x 1.77 inch (appr.)Package included:1 x Digital Grain Moisture Meter