The NOAA Weather Alert Radio is an emergency alert device no home should be without. NOAA is the complete source for weather and emergency information for the United States. The NOAA weather radio receives the broadcast of the National Weather Service's forecasts, warnings and watches of dangerous weather and other hazardous conditions. This emergency radio requires 3 AAA Batteries (not included.) Measures: 5.25 x 4 x 1.75. Color: Silver.