Can be powered from four different sources: 1) Dynamo/hand crank which charges the Ni-MH battery, 2) From 3 AAA batteries (not included), 3) DC input (mini-USB) which charges Ni-MH battery, and 4) Solar power which charges Ni-MH battery Digital tuner with AM (520-1710 KHz) & FM (87-108MHz) and NOAA weather band - all 7 channels plus "Alert" SAME Technology (Specific Area Message Encoding) for location based weather alerts USB dump charge: Instantly charge your USB device after cranking, to get power when you need it most Built-in white 4-LED light source and 1 flashing red LED How are you set when an emergency might strike? Some areas are more prone than others but all are susceptible. That's why the American Red Cross FR370 AM/FM Weather Alert Radio is a must-have necessity. It can be powered via 4 sources for anytime use and can act as a power generator to keep your USB devices (i.e. cell phones and tablets) charged. It has a built-in emergency flashlight and a red emergency beacon. LED illumination delivers bright lighting that's energy efficient. The key thing about emergencies is that they strike without notice. It's better to be prepared. Prepare yourself with the American Red Cross FR370 AM/FM Weather Alert Radio.