The Osram Cool Blue Intense H11 emits a colour temperature of 4200K (Cool White) and delivers up to 20% more light than standard halogen headlight lamps. The bluish white light is similar to high end Xenon lamps yet at a fraction of the price. Enhanced visibility with high luminous flux makes this Osram H11 lamp a great choice for style and safety. The average lifespan of this product is 250 hours.