Check indoor and outdoor temperature, humidity and barometric pressure. • Displays Indoor & Outdoor Temperature • Barometer Display & 12 Hour History • Min/Max Temperature & Humidity Display • Temperature Trend Indicator • Moon Cycle with Tide Indicator • Alarm Clock with Snooze, Day and Date • Full Calendar • Hi Precision Barometric Weather Forecast • Forecast: Sunny, Partial Sunny, Cloudy, Rainy, Stormy • 3-Channel Wireless Thermometer • Indoor Humidity • Backlight Display • °F/°C, 12/24 Selectable Includes: • 2 “AA” batteries Base Unit • 2 “AA” batteries Remote Unit • 1 RSATH sensor Optional: RSATH replacement sensor