Pulsox 300 Pulse Oximeter without probe - Ultra-lightweight pulse oximeter designed specifically for spot-checking measurement. The P300 can be used with a range of sensors such as the SR-5C (Medipost PBSR5C) Spot Check Sensor, the CE-5C (Medipost PBCE5C) Ear Sensor or the LM-5C (Medipost PBSLM5C) Long-term Monitoring Sensor. Ideal for home visits - Hospital wards - Out-patient clinics