A:AnswerYou have to have the cord to connect the two devices. One device has an output only spot while the other has an input & output spot. The device with the output only spot will be your "lead" player so the movie will have to be in that player. On the secondary player you will need to press and the the function button (I think is what is is called) until it connects to the lead player.
A:AnswerYes just plug the supplied Aux cable from your DVD player into your cars audio system and the whole car can hear the movie, thru your cars speakers.
A:AnswerThese come with a cloth covered mount that you velcro the DVD players to and then the mounts have adjustable straps to attach them to what ever you want to attach them to. seat backs, head rests.
A:AnswerDescription
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A:AnswerI had the Phillips version that didn't contain two DVD players (but two screens) and it didn't last. I don't want to tell you what to buy, but I wasn't satisfied with the quality that I got from Phillips.
A:AnswerI am not sure of the exact length but, no, they will not reach third row seats in our vehicle when plugged into the backside of the center console facing the second row seats. It would just depend on where your outlet is located in relation to the seats you want the screens viewed from.