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