Specification:

Measuring Items:Air Velocity & Air Temperature&Air quantity
Air velocity measuring range:0.3~45m/s
Air temperature measuring range:0~45℃, 32℉~113℉
Air quantity measuring range:0~999900m3/min
Resolution:0.1m/s，0.2℃
Unit of Velocity:m/s, Ft/min, Knots, Km/hr, Mph
℃ / ℉ Selection
Air temperature measuring error:± 2℃
Air velocity measuring error:± 3%  ±0.1dgts
Max/Min reading
Average/Current reading
Data hold
Backlight display
Low battery indication
Manual/Auto power shut off
USB Interface
Power supply:9V battery
Unit size:77*36*163.5mm

Packing:
Standard Quantity Per Carton:20pcs
Standard Carton Size:66.9*45.8*30.7CM
Standard Carton Gross Weight:22.5kg