OSRAM COOL BLUE BOOST H4
Hyper blue light for off-road use
Cool blue boost convinces with hyper blue halogen light and high colour temperatures of up to 5,000 k. The off-road lamps generate up to 50% more light compared to other blue coated halogen car bulbs.
Please note: these products do not have ece approval. This means they must not be used on public roads. Use on public roads leads to cancellation of operating license and loss of insurance coverage.