Osram H1 Night Breaker Unlimited Halogen Bulbs 55W (Pair) H1 Bulb size; Up to 35 meters longer light beam than a standard bulb resulting in better visibility and an increase in reaction times; results will vary Up to 110 percent more light in comparison to a standard bulb for a comfortable and less fatigue drive; results will vary The partial cobalt coating of the glass body contributes to up to 20 percent whiter light; Do not touch bulb with fingers as it may shorten life span The pleasant light effect produced makes night time driving much easier and less tiring The patented blue ring coating helps to reduce back glare. 3400K Color; Eye-catching design with partial blue coating and silver cap