designed to measure wind speed (0-30 m/s, 0-5860 ft/min, 0-55 knots, 0-90 km/hr, 0-65 mph) with 12 level beaufort scales, and detect air temperature ( 14°F and 113°F), easy to switch / units by press the button with no tools, support wind chill indication, display Max/ Average/ Current air velocity on LCD screen in real time, more convenient than 2 buttons anemometer. Remove off the yellow rubber protector cover, then open the battery door, it's more easier than other wind meter gauge. Put a CR2032 battery (included), turn on windspeed anemometer by press Mode for 2s to measure wind and analyze environment to do activities.
Press any keys to active the wind anemometers backlight last for 12 seconds, convenient to read at dark place, press Mode + SET simultaneously to turn off the wind meter, or no operation for 14 minutes it will auto shutoff