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The
total amount of light that a car bulb
can produce is governed on European roads
by ECE Regualation 37, which is why Rallye
bulbs must only be used for competition
purposes on closed circuits
How ever, because Philips Automotive Lighting
monitors and controls its production processes
so precisely, the upper limits of the
regulations can be reached, but noe exceeded,
in VisionPlus.
When comparing the level of illumination
that a VisionPlus produces against that
of a standard bulb we see that VisionPlus
places up to 50% more light on the road.
Both the H4 and H7 VisionPlus are fully
compliant with ECE Regulation 37.
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