SKYWATCH GEOS 11

High Precision Portable Weather Station, particularly well adapted for numerous activities such as: navigation, automobile, aviation, temperature measurements, sporting events, trekking, civil engineering, geology, agricolture, military, firefighters, rescue teams, sports and leisure, free flight and many others. 
Functions: 
current, average, maximum wind speed, current, minimum, maximum windchill , current relative, minimum relative, maximum relative humidity and dew point, absolute pressure, relative pressure, altitude and maximum altitude, weather tendencies, density altitude, height, flight level, flight finesse, variometer, digital and analogical electronic compass to the degree, clock, date, chronometer, battery level status, high efficient lec micro flashlight, manual and automatic data recording, pc data transfer