Anemometer Hot Wire and Thermistor Sensing Method Data Logging No Humidity Sensing No Velocity (FPM) 0 to 6 000 fpm Velocity (MPS) 0 to 30 mps Velocity (MPH) 67 mph Velocity (KPH) 108 kph Velocity (Knots) 58 knots Air Velocity Accuracy +/-3 Percent Air Volume 19 999 cfm Temp Range -40 Degrees to 212 Degrees F Probe Size 11/32 in Cord Length 28 in 6 ft Data Hold Yes Auto Power Off Yes Storage Capacity 99 Readings Includes Battery Carrying Case Wrist Strap