The Digital Anemometer 0-30m/s Wind Speed Meter is a compact and portable device designed for accurate measurement of wind speed and temperature. Ideal for a variety of activities such as windsurfing, sailing, kite flying, and more, this anemometer features a protective rubber shell for durability. With various air velocity units to choose from, including m/s, ft/min, Knots, Km/h, and mph, as well as temperature unit selection, it offers versatility in measurement. The large LCD display with backlight, chill indication, and battery level indication make it easy to read and operate. Powered by a 3V CR2032 battery, this anemometer offers fast and accurate readings, utilizing advanced technology and the beaufort scale for precise results. Whether you need to measure the speed and temperature of CPU fans, air-conditioners, or outdoor wind conditions, this anemometer is a reliable tool. With features like max/average/current air velocity measurement modes and auto/manual power off, it provides convenience and efficiency in testing airflow. Stay informed and in control of environmental conditions with the GM816 Anemometer, a must-have for any outdoor enthusiast or tech enthusiast.