Rechargeable Handheld Anemometer-Digital Touch Wind Speed Meter compatible for Air Flow Velocity & Temperature Measurement, HVAC Use Smart Mode & Handheld Anemometer Unlike other digital anemometers, the digital wind speed anemometer adopts an upgraded smart touch mode. Not only support precise and sensitive touch, but portable wind gauges are also designed to measure wind speed, wind temperature and air flow meter. Accurate Wind Speed Detector Thanks to its 8 blades wind meter, the wind velocity meter can measure wind speed range from 0-65mph with +/-5% accuracy in 12-level Beaucompatible for t scales, and detect air temperature from 14-113with 0.2 resolution; CFM Airflow meter range from 0-999900ft3/min with 0.001 resolution. Type-C Rechargeable Battery Smart touch mode wind anemometer is portable and humanized, this wind speed gauge has a built-in 400mAh lithium battery that can last 30 hours after a full charge. Automatically turns OFF after 5 mins if no further operation compatible for longer use; There is a low battery indication to solve frequent battery replacement problems. Versatile Air Volume Meter Featuring current/max/min wind speed reading; On the large LCD backlight screen the air speed meter display air temperature/ switch,5 unit of wind speedm/s, km/h, ft/min, knots, mph, and air flow unit selectionm3/min,m3/s,ft3/min; Come with a data hold function; Screw hold in the button can be connected a lanyard, convenient to use. Wide Application Must has user-friendly wind speed meters in many applications, such as checking air conditions, AC duct, HVAC balance, RC drone flight, climbing, shooting, boat sailing and even flying a kite. It's a lightweight and accurate digital anemometer.If any questions or are not satisfied with this airflow velometer, please mail us. Specification of Anemometer: Wind Speed Range: 0.3-30 m/s, 0-65mph, 2-90 km/h, 1-55 Knots, 59-5905 ft/min Accuracy of Wind Speed+/- 5% Wind Temperature: 14-113/ -10-45 Accuracy of Wind Temp: +/-2+/-3.6 Feature of Wind Meter Handheld wind speed meter designed to measure wind velocity, air temperature and air flow meter. Max/Avg/Current wind speed measurement on the LCD screen; Temperature can be measured in degrees Celsius and degrees Fahrenheit, easy to use and read. 5 Wind speed unit in m/skm/hft/minmphKnots switchable. Manual power OFF/ Automatic shutdown after 5 minutes. Smart touch mode wind speed anemometer; Rechargeable & Portable wind gauge velometer can reduce power waste and make the use time longer. Wind gauge anemometer with LCD backlight display, outdoor anemometer suitable compatible for various applications, such as: balanced heating and cooling, AC duct collection, sailing, drone flight, shooting, fishing, hiking, etc.