Features: _x000D_Wind speed unit conversion. _x000D_Wind speed and wind measurement. _x000D_Data retention function, low power indication. _x000D_Data retention with maximum, minimum, and average values. _x000D_High and low wind speed alarm function, automatic or manual shutdown function._x000D__x000D__x000D__x000D_Specifications: _x000D_Condition:Brand New _x000D_Brand: SMART SENSOR _x000D_Model: ST9606 _x000D_Wind speed range m/s(Meter /second) 0.3-30 _x000D_Km/h(Kilometer/hour)| 1.08~108 _x000D_mph(Mile/hour) 0.67-67 _x000D_knots(Nautical/hour) 0.58-58 _x000D_Wind speed accuracy +/-5% rdg +/_0.1 _x000D_Wind speed resolution 0.1m/s _x000D_Temperature range -10-45/14F~113F _x000D_Temperature resolution 0.1C/0.1F _x000D_Power supply 1.5V AAA battery X3(Not included) _x000D_Operation environment 0C~50:80% RH _x000D_Storage environment -10~50:0%~90% RH _x000D__x000D__x000D__x000D_Package List: _x000D_1*Wind Speed Meter _x000D_1*Instruction Manual 1Wind speed unit conversion. 2Wind speed and wind measurement. 3Data retention function, low power indication. 4Data retention with maximum, minimum, and average values. 5High and low wind speed alarm function, automatic or manual shutdown function.1*Wind Speed Meter1*Instruction Manual