The AcuRite Professional Weather Station uses patented Self-Calibrating Technology to provide your personal forecast of 12 to 24 hour weather conditions. Self-Calibrating Forecasting is generated from weather data measured by a sensor in your yard - giving you the most accurate forecast available for your exact location. The display with PC Connect plugs into your PC to provide your weather information in a data (CSV) file, as a PC widget, or online. View your sensors from virtually anywhere on a smartphone, tablet or computer with the AcuRite app and myAcuRite.com website, or easily publish your weather reports on Weather Underground. The illuminated color LCD display includes indoor / outdoor temperature and humidity, wind speed / direction / chill, rain, barometric pressure, clock, calendar and more. Personalize the Weather Ticker to stream the information you want. Programmable alarms alert you when weather conditions change. 12 to 24 hour weather forecast. Wind speed: current, peak, and average (MPH or KPH). Wind direction with 16 point wind rose. Indoor and outdoor temperature (degrees Fahrenheit and Celsius) with trend arrow. Tabletop or wall-mountable design. Bilingual English or French display. ?Strong wireless range up to 330 feet (100 meters). Transmits data every 18 to 36 seconds. Automatic self-emptying rain collection cup. 2 year battery life.