ORACLE ColorSHIFT Halo kit for 2016–2018 GMC Sierra with BC1 controller uses 3-chip 5050 SMD rings on a sturdy CAD-designed 6-layer PCB and includes a BC1 Bluetooth controller for app-based control. The rings can produce whites from 3000K–15000K and millions of colors, with adjustable brightness and patterns. The BC1 controller offers four waterproof outputs and music-sync capability. Triple kits include extra halos for the turn signal. Professional installation recommended.
Oracle 16-18 GMC Sierra Headlight DRL Upgrade Kit - ColorSHIFT w/ BC1 Controller