Can I use my Philips DVD player in a truck or vessel?
The power input for the portable DVD player is 12V DC, which is specified for most private cars.
Trucks or vessels usually have a 24V DC power supply. Therefore you need a power convertor to switch the power supply from 24V DC to 12V DC in order to use the portable DVD player in a truck or vessel.
A power convertor can be purchased in an electrical supply shop.