The LED Light@Day LED Daytime Running Lamps from Osram are E marked to the daylight running legislation and are fitted with high powered LEDs and come complete with an easy to fit fitting kit which switches the lights on automatically when the engine is started. The Light@Day LED's are ultra slim for easy integration in to narrow bumper grilles, These LED's will also automatically dim at night to reduce glaring other drivers coming towards you. Long Life up to 5,000 hours.New legislation will be introduced in 2011 to make Daytime Running lights mandatory on all new passenger vehicles. Research has shown that these lights will help improve vehicle visibility and reduce the risk of accidents in daylight hours by up to 15% and they are a more cost effective to use in terms of both maintenance and fuel costs than switching on a vehicles headlights.Pair supplied.Size : 166.5mm length