GrandviewTM 2X 100mm 72SMD COB Led Angel Eyes Halo Rings Set Light Bulb Headlight for Cars 9-30V White Outer diameter: 100mm3.94";inner diameter:90mm(3.54") Voltage: 9-30V;Wire length: 45cm;Lifespan: 50,000 hours Light Base Type: COB Led Chips Angel Eyes;Light Color:White Come with Regulator,Super bright,waterproof,no positive and negative difference Package includes: 2 x COB LED 100mm 72SMD angel eyes halo ring, 2 x Regulator