Anemometer, Rotating Vane and Thermistor Sensing Method, Data Logging No, Humidity Sensing Yes, Velocity (FPM) 60 to 3937, Velocity (MPS) 1.1 to 20, Velocity (MPH) 0.5 to 44.7, Velocity (KPH) 0.7 to 72, Velocity (Knots) 0.4 to 38.8, Air Velocity Accuracy +/-5 Percent, Temp. Range 32 Degrees to 122 Degrees F, Relative Humidity Range 5 to 95 Percent, Data Hold Yes, Auto Power Off Yes, Includes Battery, Carrying Pouch, Wrist Strap and Instructions. This item has been restricted from sale in the following state (s): []