1.Description: M1191B HP adult Silicone Soft Tip Spo2 Sensor, 3m， New soft is the same as original philips soft. 2.Connector Guide: 8 Pins male Merlin 3.Compatibility: This sensor connects directly to the bedside monitor without an extension cable, and is compatible for the following SpO2 monitors: Viridia 24C, Viridia ,M3, M4,...