Multifunction Anemometer: Designed to measure wind speed (0-30 m/s, 0-5860 ft/min, 0-55 knots, 0-90 km/h, 0-65 mph), with 12 Beaufort scales and detects air temperature (14F and 113F), no tools required, easy to change / units with the press of a button, supports wind chill indication, displays the maximum/average in real time on the screen. LCD display/current wind speed, more convenient than 2 button anemometer. Easy to Install and Use Batteries: Remove the yellow rubber protective cover and open the battery cover, easier than other anemometers. Charge the CR2032 battery (included), press and hold MODE for 2 seconds to turn on the anemometer, measure the wind and scan the environment for activities. Backlight and Auto/Manual Shutdown: Press any key to turn on the backlight of the anemometer for 12 seconds, which is convenient for reading in dark places. Press "Mode" + "SET" at the same time to turn off the anemometer, or if there is no operation for 14 minutes, it will automatically turn off. Versatile Wind Speed Detector- This digital wind speed anemometer is ideal for industrial and household applications, such as measuring HVAC tachometer speed, air conditioner speed and CPU temperature. Mini anemometer for sailing, shooting, hang gliding, drone wind testing or energy and industrial manufacturing. Portable AnemometerThe anemometer adopts compact and lightweight design, small enough to fit in your pocket, easy to carry and use. Product size: 49x21x112.1 mm Product color: black Delivered quantity: one