These Angle Eyes are AMAZING!!! Each set of (2) rings measure 95mm wide in outer diameter. They come with 1 foot of wiring, and its own inverter to convert the Direct Current to Alternating Current. They also come with quick release plugs as well as heat-shrink! These are made of glass and are encased in acrylic for strength and protection! The backs of the acrylic is mirrored on both sides to give off even more reflectiveness! CCFL angel eyes put out over 3-5 times more light than LED Angel eyes!