COIR MOISTURE METER Specification Display:4 digital lcd Measuring range :0-84% Temperature:0-60 Humidity:5%-90% Resolusion:0.1 Accuracy: ± 0.5%n Operation: electrical resistance method, automatic temperature compensation Power supply: 4x1.5 aaa size (um-4) battery Dimensions:460mm×75mm×35mm Weight:203g (not including batteries)