3. Master the principle of this kit, you can make running billboards or decorative ambient lighting 4. After power on, the red and blue light panels have each flashed twice, and then the white light panels flashing once, so alternating cycles 2. The circuit consists of a NE555 circuit, a CD4017 circuit and a LED light circuit 1. This kit consists of a control board and three light boards, the colors are red, blue, white 5. Easy to install and use: simple design, suitable for DIY enthusiasts, with clear instructions and simple installation process, Manufacturer: Akfldms