8.4" Head-Rest TFT-LCD Monitor Screen dimensions: 8.4 inch Resolution: 800(W)xRGBx600(H) System: PAL/NTSC(Change two system Auto) Power: DC 12V Consumption: ≤8W Video: Two way video input Audio: User can select and install the input of stereo or output of infrared function. Earphone connecting hole. Uesr can purchase infrared earphone from dealer or factory. Rear watching: Image can be changed left and right Operate mode: Remote control