An Osram Cool Blue H7 headlight bulb with a PX26d base emitting a 4200 Kelvin Bluish White colour temperature mimicking the Xenon look of new high end car models. Offering 20% more light than standard conventional halogen lamps this headlight lamp improves visibility. Offering the bluest legally approved halogen light this Osram light bulb has high luminous flux and a 250 hour lamp life.