10.4" Roof-Mount TFT LCD Monitor Display format: 4:3 Power: about 9W Power supply: DC12V Video: dual video input System: PAL/NTSC (Auto switching between two system) Pixel: 800(H)*RGB*600(W)=1440000 Contrast: 300:1 Bright: 300cd/sqm Function: Installed on the car ceiling; Blue screen: Video signal disappears, automatically appearance blue screen.