Features: The whole machine has a solid and exquisite structure, adopts durable and preferred electronic components, and the shell is made of lightweight and hard ABS plastic. It has a simple appearance, is easy to use and carry. Features: Material: ABS Humidity measurement range: 2%~30% Maximum error: (1%RH+0.5) Resolution: 0.5% Temperature measurement range: -10~60 (14~140F) Maximum error: 2 (4F) Resolution: 1 (2F) Ambient temperature: -10~40 (14~104F) Ambient humidity: 0 to 70%RH Power supply: 1 9V 6F22 battery (not included) Probe length: 306 mm / 12.05 inches Measuring probe size: 410 47 mm / 16.14 1.85 inches Main unit size: 139 73 32 mm / 5.47 2.87 1.26 inches Item weight: 319 g / 11.26 oz Package weight: 491 g / 17.32 oz Package size: 45 13.5 4.5 cm / 17.72 5.31 1.77 inches Package List: 1 Grain Moisture Meter 1 Probe Measurement 1 Manual (English Version)