Includes date, weekday, and 12/24-hr time display in 8 languages, Barometric pressure trend indicator and moon phase indicator to detect high/low tides, Includes DC power adaptor for display plus 2 AAA batteries for sensor, Continuous calendar up to 2099, Outdoor temperature range: -20°C (-4°F) and 60°C (140°F), Indoor humidity display, Daily alarm with automatic snooze function,