NEVER NEEDS BATTERIES. RUNS ON SOLAR POWER! The Emergency Solar Hand Crank Radio by Sharper Image provides peace of mind for campers, boaters and anyone susceptible to sudden, severe weather. It has digital AM/FM radio, plus seven 24-hour NOAA weather stations. Switch on the weather alert mode, and it will turn on automatically any time there is a local weather alert (blizzard, tornado, flash flood, etc.). Features include a built-in 3-LED flashlight, USB smartphone charging port, digital clock, headphone jack, backlit LCD screen and handcrank dynamo for hand-generated power.