Testo 0 to 30 m/s Thermal Anemometer with Smartphone Operation Testo 405i

Brand Name : Testo
Operating Environment : -4? to 122 ?F / -20 to +50 ?C
Battery Life : 15 h
Air Velocity Range : 0 to 5906 fpm / 0 to 30 m/s
Measures : fpm, m/s, mv, ?C