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LED Daytime Running Lights and add-on LED lighting for interior or exterior car use.

Also, think about the notion of "DRL Controller"

Want to improve your Daytime Running Lights? Now you can with the DRL Controller!

The excellent Daytime Running Light Controller is a must have essential for anyone who owns a DRL. The Audi style controller is designed to adjust the DRL brightness when headlights or sidelights are switched on to prevent glare and also your indicator light will switch off the corresponding side of the DRL lights to help other road users clearly see your intensions.

How it works:
•The DRL controller cannot be tested on a standard 12V supply it must be connected your vehicle battery. See instructions.
•After starting your engine both DRL lights will switch on automatically.
•When you switch your headlight bulbs on the DRL lights will decrease in brightness by 40% automatically to prevent glare.
•When using your indicators the corresponding side of the DRL lights will switch off automatically and once the signal light has turned off the DRL light will switch back on automatically.
•Once your engine is completely off the DRL lights will turn off about 40 seconds later.