1.Aspect ratio:16:9 2.2,4sensors for option description: 1,Display:4.3inch TFT LCD sreen. 2,Aspect ratio:16:9 3,Resolution:480(H)*234 (V) 4,Video input:one way or two way video for option 5,Can be connected with camera and parking sensors 6,2,4sensors for option 8,Step-up buzzer alarm ,human voice alarm for option 9,Display the distance on the screen package: Unit Weight: 0.93KgQTY: 16 pcsN.W.: ...