1. The camera can work normally below the voltage of 6 ~ 12V, work together with for Mazda3 Original car display. 2. The camera does not display the guide line by default. After cutting the control wire, it can show the static guide line. 3. The camera uses a 1/3 inch PC3089 Image Sensor and a glass lens. It has a horizontal viewing angle of 130 degrees (170 degrees are other sellers claim diagonal viewing angles). 4. The camera uses NTSC system format. 5 It is not necessary to remove the main unit to connect it. The C20 connector for the adapter cable is behind the plastic on the for 3 . So all you need to do is remove the small middle plastic panel from the . The wiring goes straight to the car's and assembly is very simple. Colour: black Material: plastic Package Contents: 1 x Car Rearview Camera Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.