Digital cup anemometer with tripod adapter, recommended for navigation, flight, athletics, surfing, sky, model airplanes, meteorology etc. Units: km/h, m/s, mph, knots; speed range: 4-225 km/h; speed accuracy: ±4%; temperature range: -20 + 80ºC; temp accuracy: ±0.5ºC; humidity range: 2-98% RH; humidity accuracy: ±3.5%; size: 120 x 62 x 32 mm.