Strain relief: Medical PVC, connector: 8pin, It is compatible with Datex-Ohmeda TruSat 3755, TruSat TD, series 37XX, 3800, 3900, 3900P, 4700, 5250, Cardiocap 5, S/5, AS/3 (N-XOSAT or Masimo), CS/3 (M-OSAT) patient monitors.