GM816 Digital Anemometer for Wind Grade MeasurementDigital Anemometer Anemometer Gm816 Anemometer Wind Grade Anemometer 1.High Precision Mini AnemometerAccurately measuring wind speed , temperature and wind chill in high accuracy and real time measurement. 2.Multi-Mode Wind Speed meterMeasure wind speed,wind chill indication,wind temperature; The backlight screen makes it easier to read in dark conditions. 3.Multi-Purpose Digital Anemometer wind speed meter can be used not only for outdoor activities, like shooting, sailing, mountain climbing measurement, but also used for electrical equipment testing, like HVAC appliances and research measurement from navigation to aerial survey. 4.More Intelligent PortableCompact and Lightweight, Easy to Carry; Auto/ Manual Power Off; /,High Precision Pressure Sensor. 5.Customer Service Guarantee If you have any product problems, please feel free to contact us