Technical Parameter: Screen size: 7 inches Display Mode: 16:9 TV System: NTSC/PAL Resolution (pixels): 480(W)?GB?34(H)=336960 Power: DC 12V Operation temperature: 0 ~ +50 Storage temperature: -10 ~ +6 Product size: 190?80?0mm Unit weight: 2.8Kg Function description: ?7 inches wide view angle 16:9 display mode ?Adjustable image brightness/color/contrast ?NTSC/PAL automatic identification ?Built-in FM Radio tuner ?Built-in TV tuner ?Built-in 4?5W Amplifiers ?1 AV input & 1AV output ?Video signal disappear, display blue screen ?Manual stretching out & drawing back and all around circumrotate adjusting ?Card style remote control