Spyder Auto ALT-YD-TSXB03-LED-V2-BK Scion xB Black Version-2 LED Tail Light Upgrade the look of your vehicle If wiring is included for the tail lights, it is preassembled for plug and play application Some of the package includes light bulbs; for the package which does not come with any light bulbs, you can apply the stock light bulbs for installation These lights are made by an OE approved and ISO certified manufacturer with the quality that meets or exceeds all OE standards All the tail light package will come as a pair, left side and right side; designed as direct bolt-on replacement parts