Tview T922PL-BK 9-Inch Car Headrest Monitor (Black) Built in IR transmitter so any Universal Headphones can be connected, Crystal clear picture quality with High Resoltion 480 x 720 New Technology with Touch Buttons, One Audio Input & Two Video Input, Video 1 and Video 2 switchable from monitor Tube diameter: .4 / .48 / .50 / .56 inch & the poles can be adjusted from: 4-7 inches which makes it suitbale to fit any car. Adjustable picture, brightness, contrast, volume On Screen Display Menu, DC12V Power Supply