Reusable Adult finger pulse oximetry sensor-probe to non-invasively measure oxygen saturation (SpO2), pulse rate and plethysmographic pulse waves. Recommended for Adult patients weighing over 45 kg/100 lb. BCI 3444 Sensor compatible. For use wit hour handheld Pulse Oximeters FP300A and FP300I. Cable length: 0.9m/3ft