Overview: If you've installed HID lighting kit in your car but are getting a flickering or strobe effect and/or error or warning codes, this pair of code canceling capacitors is your solution. 2-in-1 Benefits: Stop your after market HID lights flickering Cancel 'bulb out' or 'bulb failure' warnings in cars whose dashboards display this info Works with the following HID connector types:H1/H2/H3/H4/H7/H8/H9/H10/H11/H13/880/881/889/9004/9005/9006/9007 This is a brand new pair of all-in-one anti flicker capacitors & error code cancellers Works with all cars that have computer controlled headlights with the exception of Audi, BMW amp; Mercedes Benz