Tough Solar Power, 100M Water Resistant, Low Temperature Resistant (-10 C / 14 F), Altimeter, Digital Compass, Barometer, Thermometer. Thermometer Display range: -10 to 60 C (14 to 140 F) Display unit: 0.1 C (0.2 F)
Full Auto LED (Super Illuminator) Backlight with Afterglow, World Time, 31 time zones (48 cities + UTC), city name display, daylight saving on/off, Sunrise/Sunset Data, 5 Daily Alarms (4 one-time and 1 snooze alarm)
Hourly Time Signal, 1/10 Second Stopwatch, Countdown Timer, 12/24 Hour Formats, Button operation tone on/off
Storage Battery: Solar Rechargeable Battery, Battery Level Indicator
Power Saving Function, Approx. Battery Life: 9 months on full charge (without further exposure to light), Module 3415
Tough solar power; low temperature resistant (-10c/14f); digital compass w/bearing memory