Entirely in accordance with the manufacturer's specification which also announced that longevity is less than on standards§ bulbs Bulbs mounted on a new C4 Picasso (kindly arranged by the dealer, even than purchased on Amazon, if not pain!) And what a change! whiter light but especially the scope significantly improved both headlights that beam. In use on winding roads in the country, the result is there, perfect. The car shone like a moped and found satisfactory situation of total safety!