Use a database worth of weather information to plan your day and stay informed of changing conditions. This professional-grade model boasts features you won’t find on other weather stations like a continuous streaming weather ticker with scrolling text and stored historical data to give you a quick read on current and past statistics. Stronger signal penetration transmits through walls from up to 330 feet away and has an indicator for signal strength, giving you more options for unit and sensor placement. The 12-24-hour future forecast uses patented, altitude self-calibration for increased accuracy. Icons match up with 14 different weather conditions for at-a-glance identification. Track wind direction (shown with compass and arrow), wind speed (current, gust and average) and wind chill. Indoor/outdoor temperature with trend arrows and “feels like” temperature display. Indoor/outdoor humidity with heat index and dew point. Big-mouth self-emptying rain gauge. Weather alerts. USB interface for connection to your computer. Main unit powered by six AA batteries (not included); outdoor sensor uses four AA batteries (not included). Dimensions: 8.2"H x 7.4"W x 1.3"D (main unit); 10.8"H x 5.6"W x 13.75"D (outdoor sensor).