The lamps BlueVision offer: A blue light that lasts longer Daylight offers greater visibility. That's why Philips has developed lamps BlueVision Ultra. The car lamps BlueVision are coated blue. This coating creates a daylight type of light (like xenon). The whiter light up to 4000 Kelvin The bright daylight lamps produced by BlueVision improves reflection of road signs. Night driving becomes a pleasure decreasing fatigue and promoting the anticipation of the unexpected on the road.