E46 with lens       (2X131mm outer diameter+2X146mm outer diameter）                 

E46 without lens   (4pcs 131mm size)             

Must chose from above 2sizes:     

one set including 4pcs rings and 1pc wire and other small equipment for install.

4pcs rings size have 2choices:

1) 4x131mm outer diameter,

2) 2X131mm outer diameter+2X146mm outer diameter         

Also can make Multi-Color with RGB controller.