Temperature Humidity Meter,1 yr.
2 mps, Case Color Black/Yellow, Temp.1 to 20 mps, Air Velocity Accuracy +/-3 Percent of Reading +0.Range 0 Degrees to 122 Degrees F (17.9 Percent, Auto Power Off Yes, Calibration Certificate NIST-Traceable, Includes (2) Batteries, NIST-Traceable Calibration Certificate, Strap Rotating Vane, Humidity Sensing Yes, Velocity (FPM) 217 to 3,937 fpm, Velocity (MPS) 1.