1.5 Lighting Modes - The spoiler light strip always stays on when you turn on the daytime running lights. When the brakes are activated, the brake light bar will light up to remind the rear to drive safely. When you press the hazard warning button, the lights illuminate from the center and move outward quickly. When you turn on the turn signal, the universal spoiler light streamer will turn to the left or right.2. Waterproof IP67 - The LED brake light bar is made of high-density waterproof material and can work normally even when driving in fog, rain or snow.3. High brightness - Built-in 171 LED beads, this red LED light strip is very cool as an extra brake light and turn signal light. Ideal for night driving, the car spoiler is easily noticeable at night.4. Easy to install - It only takes 5 minutes to install the rear window spoiler light and wire your car. This LED brake light bar is suitable for trucks, pickups, SUVs, vans, trailers, cargo and other vehicles. (Note: The spoiler lights with 5 lighting modes cannot be trimmed. Please measure the length of your car spoiler or roof wing before purchasing.)5. Perfect gift - This carbon fiber pattern car rear wing light bar is a perfect gift for your favorite car, making the car more prominentSpecification:Name: LED car spoiler light bar.Material: carbon fiber and rubber.Location: Car rear spoiler/roof fender.Weight: 27.5 oz/0.78 kg.Accessories: Fits cars, trucks, SUVs, trailers, vans and more.installation method1. Use a screwdriver to remove the two fastening buckles.2. Remove the cotton lining of the right taillight and unplug the taillight wiring harness.3. The right turn signal, daytime running light, and brake light are all connected to the right integrated wiring harness.4. Connect the corresponding light bulb sockets according to the different colored wires in the picture.White wire connects to brake lightThe yellow wire connects the turn signal lightGreen line connects to daytime running lightsBlack wire to negative poleRed wire connects to positive pole5. Connect the positive wire directly to the car battery or cigarette lighter fuse box.6. The left turn signal wire needs to be connected to the yellow wire included in the package and connected to the left harness socket.7. After the wires are connected successfully, hide the wires.8. Loop the wire that comes with the spoiler light bar around the pillar on the car's trunk and pull it over the car's rear spoiler or roof wing.9.Tear off the tape on the back of the light strip and stick it on the rear spoiler or roof fender.10. Done.