The Midland E+Ready Emergency Crank Radio offers multiple sustainable power sources: solar power (charge internal Li-ion battery from direct sunlight), hand crank (perfect during power outages), and rechargeable 2600 mAh battery (replaceable, long-life lithium ion battery lasts up to 32 hours). The radio can also use 6 AA batteries (not included). This emergency radio receives weather alerts and information directly from the National Weather Service, and comes with a CREE LED flashlight with SOS and strobe. The emergency radio also includes an ultrasonic dog whistle to assist in search and rescue efforts. Don't get left in the dark; make the Midland E+Ready Emergency Crank Radio part of your family's home. Manufacturer model #: ER310. NOAA weather alert radio Charges devices through USB connection Multiple sustainable power sources Bright CREE LED flashlight with SOS and strobe Ultrasonic dog whistle