ORACLE Lighting ColorSHIFT halo kit for 2003–2007 Cadillac CTS includes the BC1 Bluetooth ColorSHIFT controller and 3‑Chip 5050 SMD rings to access millions of colors, patterns, brightness control, strobe and music-synced effects via a smartphone app. Rings affix with pre-applied 3M adhesive for tidy installation. The BC1 provides four waterproof outputs for linking multiple lighting products and simple app-based control.
Oracle Cadillac CTS 03-07 Halo Kit - ColorSHIFT w/ BC1 Controller