... supply: 9V battery *1pcs Mini digital wind speed anemometer wind meter anemometer *Measuring Items: Air Velocity & Air Temperature *Measuring range: ----Air ... km/hr, 0~8800 Ft/min, 0~88Knots, 0~100 mph (Accuracy: ± 3%) ----Air Temperature: 0~45ºC, 32~113ºF ... *Unit of Velocity: m/s, Ft/min, Knots, Km/hr, Mph*ºC/ºF Selection*Backlight display *Max/Min reading (Air velocity ...