ARB Quatro Amber/Blue Chase Light Set Model PM455ABARB Quatro Amber Blue Chase Light Set Model PM455AB NACHO Quatro Blue and Amber Chase Light Set engineered for ultimate safety and visibility. This set includes one blue and one amber chase light, each offering multiple strobe patterns and adjustable intensity levels. The blue light is typically linked to slower moving vehicles on race courses, while the amber light adds extra visibility in various conditions. Both lights feature a high low static