The BrightSource Chrysler/Dodge/Jeep Specific LED headlight bulb upgrades are designed to improve the light output ofthe factory Projector-style headlights. The BrightSource Reversible Base Heatsink 9012 LED bulb has a much whiter and brighter light output than stock headlight bulbs. Daytime Running Light management issues have been completely eliminated with the BrightSource Opticoupler, a programmed and printed circuit board that controls the variable pulse circuitry delivered to the DRL. The Opticoupler eliminates flickering, dashboard light-out warnings and works with the OEM Vehcile "Auto" headlight function. The pre-assembled, plug and play harness makes for an easy installation. 4000 Lumens, 6000 K Colour Output, 50,000-hour bulb life. Reversible base provides greater clearance with tight installations. Bulbs can be adjusted for perfect alignment with headlight reflector using the included allen key. One Year Limited Warranty on Manufacturer's Defects.