1This is a type of digital anemometer used to measure wind speed, wind volume and wind temperature. 2It is provided with the function of maximum value and minimum value measurement. 3Automatic power off function can save battery power. 4With large LCD screen with white backlight display, easy to read data in dark. 5It can be widely used in scientific research experiment, environmental protection monitoring, offshore operation, flight operation, all kinds of fan manufacturing, ventilation, air conditioning system and other fields. 6Ergonomic design, comfortable to hold, no fatigue.