Anemometer, Minimum Velocity Measured 60 fpm, Probe Diameter 0.12 in, Probe Type Hot Wire, Rotating Vane, Maximum Velocity Measured 3, 937 fpm, Minimum Dew Point Measured -4 Degrees F, Minimum Hot Wire Probe Length 6 in, Minimum Operating Temperature 32 Degrees F, Minimum Relative Humidity Measured 5 Percent, Includes External Temperature Probe, TMA5, Wrist Strap, Relative Humidity Accuracy +/- 3.5 Percent, Temperature Accuracy +/ 1.0 Degrees, Wind Speed Units ft/min, km/hr, knot, m/hr, m/sec. This item has been restricted from sale in the following state (s): []