Sweex konvertor PA001

Practical help for charging MP3 players, GSM phones, digital camera and other electronic devices designed to lighter socket in the car.Thanks to the use of a universal type A USB connector can charge any device that supports the charge of the bus.Does it an ideal tool for travel if you have more of these facilities.Not so the need to carry with them too few adapters.
The parameters and specifications:
Input voltage:In 12 to 24
Output voltage:5 V
The maximum output current:850 mA