One-stop shop provides complete solution, from onboard cameras to network to storage, reducing costs and personnel needs Normal security cameras usually incorporate infrared lights to improve low-light visibility. These lights are typically accompanied by a red light, which is a telltale to let people know that surveillance is underway. However, for the Bogota project, the red light was eschewed, because the primary objective is to help protect passengers without making them feel like they are being watched, Ku said.