Hi all, Has anyone installed headrest car dvd before? How to choose one? Also need you advice about the invision headrest dvd I plan to buy. 7 inch Digital Car Headrest DVD Player with USB/SD/GAME/IR/FM transmitter. 7 inch Digital Car Headrest DVD Player with USB/SD/GAME/IR/FM transmitter - Car DVD Player Is that good to buy?

• Detachable Headrest cover and tubes, easy installation
• Touchable screen option.
• Sony laser lens,Sunplus chip,mabuchi motor
• Compatible with MP5