Original DS-100A adult finger clip SpO2 sensor,DB 9pin Compatible with nellcor machine High quality, good price Original DS-100A adult finger clip SpO2 sensor,DB 9pincompatible with nellcor machineGuaranteed quality and perfectly shipment systerm Compatible Model: N600, N550,N595,NPB75,NPB40,N-45 Original DS-100A Nellcor SpO2 Sensor Probe for Adult