Scan the QR code printed directly on your black inline controller module using your smartphone camera. It will link you directly to the verified store download page.Note: Location access is required by Android for scanning local Bluetooth hardware.Power the Controller: Wire the main harness to a stable 12V automotive power supply or your vehicle's car battery.Automatic Pairing: Open the app while standing near the vehicle. The app will automatically scan for the "LED LAMP" or "LED DMX" hardware broadcast and pair without requiring a manual pin code.Once connected successfully, you can seamlessly navigate through solid color switches, dynamic multi-color RGB flowing gradients, brightness sliders, and sound-reactive music modes directly from your device screen.