The GreenYi system is another great after market blind spot detection system with an affordable price tag. This design features a high definition camera complete with night vision and two LED indicators. The camera offers 16 feet of night vision distance and sends a live feed to the HD monitor to help drivers change lanes and parallel park no matter the time of day. This five-inch monitor can be easily mounted on the dashboard and is compatible with two different types of audio format. Both the camera and monitor are easy to install and can be powered via the car’s cigarette lighter. This blind spot detection kit has a universal design that can be installed in minivans and trucks that lack this system.