Environmental Meter, Environmental Sensor Type Air Flow Sensor, Ambient Temperature Sensor, Pressure Sensor, Relative Humidity Sensor, Air Velocity Range 0.4 to 89 mph, 0.6 to 60 mps, 1.2 to 116.6 knots, 118 to 7874 fpm, 2.2 to 216 kph, Series 5200, Dew Point Range -20 Degrees to 158 Degrees F, Meter Type Environmental Meter, Humidity Range 5 Percent to 95 Percent, Air Velocity Accuracy +/-3 Percent, Battery Type AA, Housing Color Green, Data Logging Yes, IP/NEMA Rating IP67