LED Bulb; Twin Pack; 9004; Aluminum Heat Sink LED; 6500K; 2 Year Warranty;The BrightSource 9004, Reversible Base Heatsink LED twin packs have a high/low bulb function, include bulbs and controllers and feature 4000 Lumen output, 6000K colour temperature, and a 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. 9004 LED Twin Pack Reversible Base Controllers 9004 LED Hi/Low Upgrades Woven Heat Sink Adjustable Base Allows You To Focus Headlight Beam Patterns 4000 Lumens Philips LED Chip Philips LED Chips 6500K Color Temperature Bulb Life Greater Than 30000 Hours Operating Voltage 12-24V Climatic Stability From -40 C To + 40C 1 Year Warranty - Manufacturers Defects Application Summary: Year Make/Model 1997-2005 Chevrolet Venture 2001-2004 Oldsmobile Silhouette