Pyle PACT1 Multifunction Handheld Altimeter Altimeter: 500 to 9000M, resolution of 1 M/3 feet - barometer: - electronic barometer weather forecast - hygrometer: - auto calendar Max/min memory for altimeter - 300 to 1100Hpa/mbar ( 8.84 to 32.44Inhg ) - pressure trend indicators - 20 percent to 95 percent - daily alarm Altitude history and graphical display for last 12 hr history - resolution of 0.1Pha/mbar ( 0.01Inhg ) - thermometer: - max/min memory for hygrometer - low Battery display