These are premium replacement Diode Dynamics 35w HID bulbs, from CNLight, the top brand in HID bulbs. The HID sizes offered come with standard connectors for use in an HID conversion kit. They do not include ballasts needed for full conversion of halogen lighting.FunctionThese are for replacement of stock factory OEM HID bulbs, for vehicles with HIDs from the factory. This is not a conversion kit, for the conversion of halogen factory lights. Please purchase an HID Kit to convert your factory halogen headlamps into HID. Bulb DesignUnlike most bulbs you will find online, Diode Dynamics bulbs are high-quality and will last for years to come.Flicker-Free PerformanceTrue color temperature ratings, with no variance in color outputWorking Temperature -40-105 DegreesExpected lifespan of over 2000 hoursCeramic base for heat protectionYour order includes:HID Bulb D2R8000K Color Temperature2 Premium HID bulbs (1 pair)Diode Dynamics 3-year warrantySpecificationsMeasured Lumens: 3200 (per bulb)Operating Voltage: 9-16VOperating Temperature: -40C to 85C (-40F to 185F)Connector(s): OEM-Size Plug and Play