Do you want to know the atmospheric pressure? Here you have an accurate barometer with an elegant analogical dial. It shows: - Your local pressure - The pressure reduced to the mean sea level (the value that every weather forecast service use) - The pressure got from the nearest airport - Latest 24 hours pressure chart Excellent for fishing or if you are simply interested in weather trend. You can: - Calibrate the sensor - Enable automatic periodic pressure recording - Choose different barometric units (hPa, mbar, mmHg, inHg, psi) WARNING: If your device has not an integrated pressure sensor, you will only get the pressure from the nearest airport.