Digital Wind Speed Meter. Digital Anemometer. 6 in 1 Environment Meter. Humidity Meter. Volume Meter Digital Wind Speed Meter : ***Basic Specifications:♦Temperature Measurement: -10°C~60° ... with tripod mount ,Combined Sound Level Meter, Luminometer, Relative Humidity Meter,Air Flow Meter, Temperature Meter and Anemometer.♦ Built-in low ... .5~20m/s0.1m/s±(3% +10Lsd)1.8~72km/h0.1km/h1.6~65.7ft/s0.1ft/ ...