Both Matric and US Units available . 1. Altimeter - 2296 ft to 29500 ft. range - Resolution of 1m or 3ft. 2. Barometer - 300mbar to 1100mbar range - Resolution of 1mbar 3. Compass - 4-bearing mode display - Magnetic declination setting - Resolution/accuracy of +/- 1 degrees 4. Thermometer - -10 to +60 dregree 'C ('F selectable) - Resolution of 1 Degree 'C 5. Weather Forecast - Forecasts the next 12 to 24 hours (but for reference only) - 4 weather forecast types: Sunny Slightly Cloudy Cloudy Rainny 6. Time - Time with hour minute second 24h format clock display