2.7 inch screen 1/2 inch hd coms 140-degree wide-angle lens Humane settings: the optional front lens video, reversing camera recording, dual-lens video Feature sets: Languages: chinese simplified, chinese traditional, english Frequency: 50hz, 60hz After the lens input: pal, ntsc One is car¡¯s front camera that shoots the scene of car¡¯s front side. The other is back camera that Shoots the scene of car¡¯s back side. When you start the car, two cameras begin to work at the same time. When you shift to the reverse gear, thescreen will show backup camera display and the brightness of screen Will change with ambient light. When you shift to the reverse gear, the screen will show backup camera Display. At the moment, the interior camera stops working and the front camera and back camera start to work at the same time.
