1, 2 sensors and 1 car  camera are combined on the same USA licence plate, it is no need to drill hole on the car bumper.It shows the image and distance on the monitor or DVD display after connecting.
2, Measure distance between 0.3--2.0M  
3, The color OSD digital and parking line will show on the same monitor.
4, High definition camera and wide angle .
5,Alarm by BI-BI sound.
6, The licence plate is suitalbe for all USA cars
7.The system could be connected with all kinds of car monitor