Case size (L× W× H) 51.6 × 51.5 × 14.8 mm Weight 60 g Case and bezel material Bio-based resin / Stainless steel Band Cloth band (Made with recycled plastic bottles) 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.) Hand indication of altitude differential Manual memory measurements (up to 30 records, each including altitude, date, time) Auto log data (High/low altitudes, cumulative ascent and descent) Others: Relative altitude readings (±100 m/±1000 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) Hand indication of pressure differential Atmospheric pressure tendency graph Barometric pressure tendency information alarm (beep and arrow indicates 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 Hand indication of north Bidirectional calibration Magnetic declination correction Thermometer Display range: -10 to 60℃ (14 to 140℉) Display unit: 0.1℃ (0.2℉) *Changeover between Celsius (℃) and Fahrenheit (℉)