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 lane or make a turn.material:Oem grade plastic housing, material:Polycarbonate lens, housing color:Black, lens color:Clear, reflector:Amber, bulb type:Halogen, high/low beam bulb type:H13 (Bulbs Not Included), turn signal light blub type:3157A (Bulbs Not Included), oem part number:7l3z13008ga, 7l3z13008fa, warranty:1 Year