CCD SONY Sensor Monitor Image CAR REAR VIEW PARKING REVERSE CAMERA FOR Mazda 6 Mazda 3 CX-7 CX-9 CAR REAR VIEW CAMERA FOR Mazda 6 Mazda 3 CX-7 CX-9 Designed according to the license light hole install High Clear , Night Vision,Water Proof, Plastic material Unique Design,With reference line functions You will see the images when your car is in reverse shift