The WEATHER FLOW Anemometer for Smartphones is a compact and precise device that transforms your smartphone or tablet into a sophisticated tool for measuring wind speed and direction. Compatible with iPhone, iPad, iPod, and Android smartphones/tablets, it requires iOS 6.0 or Android 4.3 operating systems. Simply plug it into the audio socket of your device to begin measurements. The anemometer offers a wide measurement range from 0.1 to 56 m/s, with a maximum error of ±0.5% or 0.1 m/s, ensuring high accuracy. It provides wind speed readings in meters/second, miles/hour, knots, and Beaufort scale, and records wind speed (average and maximum) and direction data for analysis. The device features a shock-proof rubber case for durability and protection. Its dimensions are 82x40x18 mm, and it weighs 0.06 kg.