Head rest stems go from 4" to 7" This is a pair of used 7" TFT black car headrest multimedia DVD players with display monitors. They have a screen resolution of 800 x 480 and a contrast ratio of 500:1. They are designed to be powered by 12V DC and have features such as DVD player, AV-IN, USB input, and memory card input. The aspect ratio is 16:9 and they are suitable for use in vehicles.
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