Features: * Never needs batteries and uses a OomAh/3.6v NI-MH storage battery * Can also be charged using a 6V external electrical adapter as well * Can charge a cell phone and has a USB tie which can charge an MP3 player * The energy stored is used to supply the LED lights, FM radio, and siren * It also has a compass attached and is a perfect emergency or camping item and makes a great gift! * The FM tuner comes with a loudspeaker or earphone output and adjustable volume * Three minutes of cranking provides 2-8 minutes of mobile phone talk time, 10-20 minutes of MP3 use, or 4-10 minutes of MP4 use What"s In The Box: * Guardian LCLT Emergency Dynamo Lantern with Radio