The ER310 Emergency crank/solar/battery radio receives NOAA weather alerts direct from National Weather service or from regular AM/FM radio stations. The radio has multiple sustainable power sources solar, hand crank or the USB rechargeable/replaceable long life lithium battery. Features include 2600 mAh Lithium Ion battery USB charging for mobile devices powerful Cree LED flashlight with SOS Strobe and Ultrasonic dog whistle. Red.