Wind speed hold mode Wind speed average mode and low battery indicator. Professional anemometer to accurately measure wind speed and air temperatureThis convenient palm-sized LCD anemometer is perfect for weather enthusiasts, kitesurfers, windsurfers, paragliders and sailorsSupports connecting the digital anemometer to a computer via USB port to display and record wind speed temperature Cfm data and Rh, used in conjunction with Cfm airflow measurement and Hvac duct tasksUSB data logging function of the anemometer has a metal screw hole on the bottom so you can mount it on a tripod for hands-free operationThe digital LCD anemometer is designed with LED backlight, suitable for operation in low-light conditions. A great tool for windsurfing, sailing, fishing, kite flying and mountaineering