The SuperVisor TL is an interior lighting system that fits in the visor area near the top of the windshield. It's “Thin Line” profile remains unseen until energized, when it delivers a powerful warning signal. A special housing prevents the lights from reflecting back into the driver's eyes.The ten LED Optix lightheads can be independently wired in a variety of flash patterns. Red, blue, amber or white LED's may be specified with directional, wide or hybrid optics. All LED's are covered by a 5 year warranty.