Wagner H11 NightDefense Replacement Bulb, (Pack of 2) Exclusive tri-color/tri-zone coating Disperses light that is up to 40% brighter than standard OEM lamps Projects a beam pattern that is up to 60% longer than standard OEM lamps Unique technology emits non-glaring yellow light into oncoming traffic (at top view ) Whiter light makes it easier to read signs on side of road