Check the listing for details. Digital Anemometer LCD Wind Speed Meter Gauge 30m/s Temperature Tester Handheld. Condition: New. Listed at 25.40 USD. 【Steday Wind Speed Measurement & High Accuracy】: Wind Speed Meter for measuring wind speed range 0.67~67.1 mph(+/- 2% of readings), Wind temperature -10~60℃,14℉-113℉(+/-2℃,35.6℉); Resolution 0.1m/s; 0.2℃. 2 temp sensors and 8 vanes makes this air velocity meter is sensitive to measure very low air flow in HVAC installation, duct vent. A good helper in CFM calculation. 💖Air Flow in CFM (Q)=Wind speed(V) x Duct Cross Sectional Area(A)💖 【MULTIFUNCTIONAL ANEMOMETER YOU WILL NEED】Wind Speed, temperature and wind chill in one LCD display. Digital Anemometer Handheld measure wind speed in 5 units: m/s, km/h, ft/min, knots, mph. 【MORE EXTRA SPECIFICATIONS THAN OTHERS WIND SPEED METER】Through the built-in temperature regulator to adjust C/F temperature. Record and recall Max/Min/Average/Current f.