About this item Wind & Temp Meter: Measuring wind speed (0-30m/s, 0-5860 ft/min, 0-55 knots, 0-90 km/hr, 0-65 mph) and air temperature (14°F and 113°F) at same time, which allow you know the air speed and ambient temperature Multifunctional Wind Gauge: freely switch the units among (m/s, ft/min, knots, km/hr, mph), 12 level beaufort scales, Max/AVG/Current air velocity, °C/℉ temperature switchable, wind chill and battery power indication Multipurpose Wind Detector: The digital wind anemometer is perfect for measuring speed of HVAC, air conditioner and temperature o CPU. The mini Anemometer also suit for sailing, shooting, kite-flying, drone wind speed test and industrial purpose The anemometer is designed to measure the air flow velocity, its temperature and air volume. The device is perfect for kite flying, sailing, launching model airplanes or helicopters, fishing. The anemometer can be used both at home and in industrial enterprises, offices to measure the temperature of processors, the speed of computer fans, air conditioners, the power of the exhaust or ventilation flow. Included is a shockproof silicone case, the anemometer is easy to use, compact, and has high measurement accuracy. Multipurpose Wind Detector: The digital wind anemometer is perfect for measuring speed of HVAC, air conditioner and temperature o CPU. The mini Anemometer also suit for sailing, shooting, kite-flying, drone wind speed test and industrial purpose Easy To Use: Just Open the door battery and install a CR2032 battery (Included), turn on the wind speed meter and you can measure the ambient air speed and temperature immediately Handhled Wind Anemometer: Compact and lightweight design, the small wind speed meter with a lanyard, which very convenient for carry with and operation. Auto power off when no any operation after 14 minutes