Weanas Mini Digital Anemometer Thermometer Wind Speed Air Temperature Scale Gauge Meter with Backlight Handheld Portable Travel Measure Wind speed and Temperature Current MAX/MIN/Average wind speed reading Wind speed range: 0~30m/sCurrent/MAX/Average wind speed reading Ideal for windsurfing,sailing,fishing,kite flying, mountaineering,and industrial Great for home purposes such as measuring wind speed and temperature of CPU computer fans,air-conditioners,air blower etc.