Description: Easy to install, connect the positive and negative wires to a vehicle power outlet, it comes with screws and works at 12 V. 24 high power LED light clip (3528) inside each light. It is perfect for add-on decoration and usage as. Brake light, Car Tail Brake Light Lamp, Under Bumper / Kit Tail Brake Light. 3-wire connection: black cathode / ground, blue-small light (for 50% light), red indicator or brake light (for 100% light). Specification: Material: Plastic Size: 58x58x8mm/2.3x2.3x0.3 Inch Package Includes: 1 Piece Round taillights