CIPA 93441 EVO Formance Alfas Maximum Intensity H1 Ultra White Halogen Bulbs - Twin Pack The best approximation to a full HID Xenon lighting system, Alfas can be installed on any vehicle without modifications, complications, or the excessive costs of an HID system Alfas emit a pure white light that is rated at 5500K, Standard headlight bulbs emit a yellow light between 2700K - 3300K, Alfas emit between 2100 lm - 2300 lm of light, Standard bulbs emit between 1000 lm - 1100 lm The maximum illumination and Ultra White color is due to the quality of materials, the unique combination of gases, and a special tungsten filament that is made in Finland, The bulbs are constructed using quartz and heat resistant 14 gauge wires The Alfas use a unique ceramic socket that helps isolate heat so there is no risk of an Alfas bulb damaging the vehicles existing electrical installations, Alfas operate using a 12 volt power supply and consume about 85 watts of power Simply remove your existing bulb and install the Alfas bulb, Experience plug and play brightness that will not melt or damage your vehicles existing components, Dont Change Evolve