Thanks to the alternative source of power, where one minute of manually winding the handle gives your phone another 30 seconds for a voice call, or 15 minutes of radio or flashlight.
Alternatively, the device can also be powered with AAA batteries or an AC Adapter.
It also features a telescopic antenna for enhanced range and reception and a 3.5 mm headphone jack. Connectors with rubber gaskets/plugs prevent moisture from seeping into the device.
Buy from a variety of on-line stores including www.nevadaradio.co.uk for £49.95 It could save your life!