Dynamo Cranking Power - 120 turns per minute of cranking will power the built in Ni-MH battery pack with strong current and voltage. : Solar Panel Power - Under the direct sunlight, the solar panel will power the radio without a problem. : AA Batteries - You can use 3 normal AA batteries to run the radio for maximum reception. : Built-in Rechargeable battery pack. : Charge from a computer via USB port. : 5 LED reading lamp for camping and emergency use. : White LED flashlight : Red LED blinking for emergency alert. : AM - 520-1717 KHz : FM - 88.00- 108.00 MHz : SW1 - 3.20-9.00KHz : SW2 - 9.00- 22.00KHz Weather Band - 7 standard bands for all stations, PLL crystal control circuit for stable reception : Weather Alert - To be activated by weather alert signals.