【Multifunction Pro Anemometer】Wind Speed, Wind Temperature, Wind Chill, Low battery indicator on bright backlit LCD screen. BT-100 is a portable wind speed guages can accurately measure air speed in 5 units: m/s, km/h, ft/min, knots, mph. Wind Temp in ℃/℉(Degree Celsius/Fahrenheit) 【Accurate Wind Meter】Wind...