GRASS MOISTURE METER Display: 4 digital LCD Measuring range :0-80%(CD00) Operating conditions: Temperature:-10~60°C Humidity:5%~90%RH Resolusion:0.1 Accuracy: ± 0.5(main moisture range) Power supply: 4x1.5 AAA size (UM-4) battery Dimensions: 460×75×35mm 18.3x3x1.4 inch Needle:280mm (550mm optional) Weight: 203g (not including batteries)