AcuRite 08580 Weather Station Plus Portable Weather Alert Radio Outdoor sensor reads temperature, humidity, and barometric pressure S.A.M.E. technology gives you the alerts you need Bright backlit display reads weather forecast and alerts 7 digitally-tuned channels receive alerts from up to 70 miles Battery or AC power Emergency weather radio with NOAA National Weather Service alerts for your location Responds to all hazards and warnings for NOAA, NWS, Department of Defense and Weatheradio Canada 50 mile signal scan receives 7 digitally tuned NOAA channels Patented Self-Calibrating Forecasting pulls data from a sensor in your backyard to give you the most accurate forecast for your exact location Durable, weather resistant construction