Case bezel material: Biomass plastics Band Soft urethane band (biomass plastics) Water resistance 100-meter water resistance Environmental resistance Low-temperature resistant (-10 14) Power supply and battery life Solar powered Sensor feature Altimeter Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.) Measuring unit: 1 m (5 ft.) Manual memory measurements (up to 30 records, each including altitude, date, time) Auto log data (High low altitudes, auto cumulative ascent and descent) Trek log data (up to 14 records of high low altitudes, auto cumulative ascent and descent of particular treks) Others: Relative altitude readings (-3,000 to 3,000 m), Selectable measurement interval: 5 seconds or 2 minutes 1 second for first 3 minutes only Changeover between meters (m) and feet (ft) Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg) Atmospheric pressure tendency graph (Past 42 hours of readings) Atmospheric pressure differential graphic Barometric pressure tendency information alarm (beep and arrow indicate significant changes in pressure) Changeover between hPa and inHg Digital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359 Measuring unit: 1 60 seconds continuous measurement Graphic direction pointer Bidirectional calibration Magnetic declination correction Bearing memory Thermometer Display range: -10 to 60 (14 to 140) Display unit: 0.1 (0.2) Changeover between Celsius () and Fahrenheit ()