SV school bus video camera or vehicle camera systems, DVR on a radio mount block. While this affordable school bus camera or vehicle camera surveillance system DVR was small at the time it was produced, it is now one of the largest DVRs on our Setup bench, and in comparison to the new generation of school bus video or vehicle camera systems DVRs. Whether it involves Students With Disabilities & Special Needs Transportation Video Camera, digital bus video cameras, vehicle cameras, mobile video surveillance systems, digital in-car video cameras, in-car cameras, or bus camera surveillance, it is always best to invest in 100% Solid State digital, like the SD4FB and SD4FGW, where it will not present a hazard to drivers or children.