Oracle | Single Ring: One ring: 23.75” d One ring: 35.5” d One ring: 47.25” d Oracle | Twin Ring: Two rings: 23.75” d Two rings: 35.5” d Two rings: 47.25” d Oracle | Triplet Ring: Three rings: 23.75” da Three rings: 35.5” d Three rings: 47.25” d Technical Detail's: Lamping: 2500k-2700k led. other options available Dimming: 0-10v. other options available