BTMETER is a portable digital anemometer. The device allows for measuring airflow volume, temperature, wind speed, and calculating cooling properties. This tool will be useful for professionals in air conditioning, ventilation, and heating, as well as drone owners and many others—its range of applications is extensive. The anemometer weighs only 0.5 pounds. All data collected by the sensors is displayed on a compact 3.3-inch screen. The display features adjustable backlighting and a battery charge indicator. The device's body also includes intuitive control buttons. Measurements can be taken in various metric systems.