Features:Wind speed unit conversion.Wind speed and wind measurement.Data retention function, low power indication.Data retention with maximum, minimum, and average values.High and low wind speed alarm function, automatic or manual shutdown function.Specifications:Condition:Brand NewBrand: SMART SENSORModel: ST9606Wind speed rangem/s(Meter /second)0.3-30Km/h(Kilometer/hour)|1.08~108mph(Mile/hour)0.67-67knots(Nautical/hour)0.58-58Wind speedaccuracy+/-5% rdg +/_0.1Wind speedresolution0.1m/sTemperature range-10-45/14F~113FTemperatureresolution0.1C/0.1FPower supply1.5V AAA battery X3(Not included)Operationenvironment0C~50:80% RHStorageenvironment-10~50:0%~90% RHPackageList:1*Wind Speed Meter1*Instruction Manual.