Mobile video goes by many names. Movile video, backseat tv, drop down, backseat video, headrest tv, car dvd, hater vision and many more. But what is it? Currently the most popular versions are a 7″ to 15″ screen mounted to the roof of your car or van, or 7″ to 10″ screens in the headrest of the front seats. The small tv’s have a built in DVD player or Media player, Many newer setups can even have an IPOD dock. Xbox 360, PS3, etc can be connected for even more fun. The system can be setup to use the car audio system or wireless headphones can be used.