Putco 280004 Silver Lux H4 LED Headlight Conversion Kit (2 Bulbs) New, advanced LED headlight replacement kit emits brilliant 6500K white color temperature Built with high-power Philips LumiLEDs with 4000 Lumen light output on dual filament high beam operation Putco exclusive 100 percent copper weave cloth heat-sink eliminates the need for noisy, failure prone fans Clock able collar allows adjustment of the light beam Replaces bulb type H4