This is for a  pair (two bulbs) of the Error Free 5050 SMD LED bulbs with built-in resistor.

• They can be used on the Parking Lights, Sidemarkers and EyeLip for the European Vehicles without triggering the on-board computer (bulb out signal).
• Replaces model 2821, 2825, W5W, 158, 168, 194, 921, T10
• There are four 5050 SMD LED chips per bulb (two SMD LED chips per side) and 3 emitters per SMD LED chip.  
• Will not cause any error signal in CANBUS system
• 100% Compatible with all European cars like BMW, Mercedes, Benz, Volkswagen, Audi, etc...
• Input 12V
• Color Output = 8000K (Blue)
• Super Bright 5050SMD LED chip
• Long Lasting LED