Mastech MS6252B Anemometer/Flow Meter

PC connectivity via USB cable
Wind speed units: m/s, ft/m, km/h, mph, knots
Included accessories: Carrying case

Measurement capabilities:
Temperature: -20 to 60°C
Humidity: 0–100% RH
Flow: CFM (0–9,999 ft³), CMM (0–9,999 m³), ​​CMS (0–9,999 m³)
Speed: 0.8–30.0 m/s