This DC Power Adapter Cable splits 1 power into 3, enables you to connect 3 color changing RGB LED strips to a single controller The power supply is required with sufficient amperage for 3 LED strips. Easy to install, connecting strip to strip, strip to controller. Flexible and durable. The PVC plastic insulation was durable and flexible. The tin-plated pure copper wires inside are stranded so it can take a lot of flexing without breaking