Compatibilities: This short 3-foot cable sensor is for use with an extension cable, and is compatible for the following SpO2 monitors: Dolphin ONE Oximeters 210, 2150, 2100, This short 3-foot cable sensor is for use with an extension cable, and is compatible for the following SpO2 monitors 2G00751. Original part number: 201, 360, 360. With digital output