Cigarette-lighter Power Adapter for GTR-388C1 / GTR-391E
[http://www.cartft.com/catalog/il/3601]
  22.95 EUR
incl. 19% VAT, plus shipping


Just plug into the Cigarette Lighter Plugin in the car, and the other
end of the cable into the GTR-388C1 / GTR-391E device and you have installed the power
supply for your display