EXTECH 45160 Thermo Anemometer, 80 to 5910 fpm. More details: Anemometer, Rotating Vane and Thermistor Sensing Method, Data Logging No, Humidity Sensing Yes, Velocity (FPM) 80 to 5910, Velocity (MPS) 0.4 to 30, Velocity (MPH) 0.9 to 67, Velocity (KPH) 1.4 to 108, Velocity (Knots) 0.8 to 58.3, Air Velocity Accuracy +/-3 Percent, Temp. Range 32 Degrees to 122 Degrees F, Relative Humidity Range 10 to 95 Percent, Data Hold Yes, Auto Power Off Yes, Includes Battery, Wrist Strap and Instructions