Designed for every-day use, this multi-powered multi-purpose radio is more than a mere emergency radio, like our competitors. Capable of being used with an optional AC adapter, batteries, or elbow grease power by the Dynamo crank and a room filling sound you will quickly learn why Sangean has the reputation for making the worlds best radios. In addition to the power options it also gives you other handy features like an emergency light, an emergency siren, and an easy to read dialing face so that you can quickly and easily tune in your favorite station in those emergency situations. Uses 2 'AA' batteries, or 3V DC power adapter (not included), or Dynamo Power Crank. Includes. wrist strap.