Difficult Solar Power,100M Water Resistant,Low Temperature Resistant (-10 C / 14 F),Module 3415,Approx. Battery Life: 9 months on full charge (with out further exposure to light)
Accuracy: +/- 15 seconds per thirty days ,Full Auto Calendar (Pre-programmed until the year 2099),5 Day by day Alarms (4 one-time and 1 snooze alarm),World Time 31 time zones (48 towns + UTC), city name display, daylight saving on/off
Full Auto LED (Super Illuminator) Backlight with Afterglow,Countdown Timer Measuring unit: 1 second Countdown range: 24 hours Countdown get started time setting range: 1 minute to 24 hours (1-minute increments ans 1-hour increments)
Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg),Thermometer Display range: -10 to 60 C (14 to 140 F) Display unit: 0.1 C (0.2 F)
Digital Compass Measures and displays direction as one in all 16 points Measuring range: 0 to 359 degrees Measuring unit: 1 degree 60 seconds continuous measurement Graphic direction pointer Bidirectional calibration and Northerly calibration serve as Magnetic declination correction Bearing memory
Altimeter Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft) Measuring unit: 1 m (5ft) Manual memory measurements (as much as 30 records, every including altitude, date, time)