YITAMOTOR 4X 131mm LED RGB Multi-Color Angel Eye Halo Rings for BMW E39 E46 Headlight US Kit includes: Four pieces of 12V 5.16" 131MM RGB Angel Eye Halo Rings. Light Color: Multi- Color ( 16 color ), Outer Diameter: Approx 131mm (5.16" inch). Relay wiring harness included, allow you to do the "fade on" and "fade off" effect using remote or key. Application: Great for BMW E46 E39 3/ 5 /7 Series Headlights ( Please check the compatibility to make sure). Top quality 3-Emitter 5050 RGB SMD LED, low consumption & virtually unbreakable, built-in 24 Key Cotroller, 16 colors for option.