Anemometer, Minimum Velocity Measured 40 fpm, Probe Diameter 0.47 in, Probe Type Hot Wire, Maximum Velocity Measured 4, 921 fpm, Minimum Dew Point Measured Not Applicable, Minimum Hot Wire Probe Length 11 in, Minimum Operating Temperature 32 Degrees F, Minimum Relative Humidity Measured 10 Percent, Includes Carrying Case, Telescopic Hot Wire Probe, Temperature Accuracy +/ 1.5 Degrees, Wind Speed Units ft/min, km/hr, knot, m/sec, mph, Air Velocity Resolution 1 fpm