Homemade backfire-style LED light. Equipped with a vibration sensor, it lights up with the vibrations of driving. Uses button batteries for easy attachment and removal. Easy to remove when changing the body, etc. Button batteries are not included, please purchase them separately. CR2032 button batteries. Can be used immediately after inserting the button battery. Please purchase after confirming the images and understanding the product. Radio Control Car Radio Control Car Parts Radio Drift Radio Drift Parts Tamiya Pandora ABC Hobby GRK YOKOMO YD2 RDX