Equipped with a multi-directional propeller and its magnetic transmission for wind speed, with its sensors for temperature, humidity and pressure showing that directly on your smartphone, which is connected via the headphone jack. With sapphire bearings, anodized aluminum housing, stainless steel shaft and carbon protective case. Compatible with following smartphones and tablet: Samsung, iPhone, Nexus, HTC, Sony, LG. General features: -Instantaneous measures -Graphical display of the measures -History of measures -Share the measures on Facebook, Twitter , windoo.ch -Display of all measurements on a map -Units of wind speed: km/h, m/s, fps, mph, knots -Temperature unit: °C, °F -Pressure unit: hPa, mbar, inHg -Mode: immediate, minimum, maximum, average -Available languages: English, French -Dim. Ø mm. 20 x 52 h, weight. 38