These are for Left had drive L/H/D. See S4698B for Right hand drive R/H/D. Even at normal highway speeds it is common to "outdrive" conventional headlamps. These halogen headlamps have very bright 55/60 watt bulbs. Their special lens gives good long range vision while also projecting a beam to the side for improved vision when turning. As an added bonus, they are equipped with the european-style internal parking lamp which can be easily wired into any car. LHD HEADLAMPS DIP TO THE RIGHT.