Please be noted: this system should Professional Installationthis unversal model, the car side mirror should drill a 20mm hole to install the side camera. 4 Super wide angle(above 170 degree) Cameras, Waterproof IP69, Night vision Provide the driver a clear 360 degree bird's-eye view around vehicle, Universal for almost vehicles (Except long vehicles such as buses) Eliminate most of the blind spots, makes much easier for parking and passing the narrow road Seamless Splicing Technology, Auto image mosaic, Parking monitoring with shock sensor, auto record, the video format is MP4, you can view the video on PC or mobile.