The LED daytime running lights are not only used as a sleek DRL but also function as sequential switchback turn signals to keep others informed of your intentions when you change lanes or make a turn. Fitment 2009-2014 Ford F150 Not suitable for vehiclesmaterial:Oem grade plastic housing, material:Polycarbonate lens, housing color:Black, lens color:Clear, reflector:Clear, bulb type:Halogen, high/low beam bulb type:H13 (Bulbs Not Included), signal light bulb type:3157A (Bulbs Not Included), oem part number:Fo2503289, oem part number:Fo2502289, oem part number:Fo2503287, oem part number:Fo2502287, warranty:1 Year