OXYPLUS 240ST Pulse oximetry non-invasively monitors a patient?s oxygen saturation. Clarity?s pulse oximeters are equipped with our proprietary motion tolerant SpO2 measurement technology. Category: Pulse Oxymeters CMPO-01 Product Features: LCD Display for Pleth, O2 & HR values. 48 hours of graphical trends for SpO2 and HR values. Min & Max Alarm limits for HR & O2. Built-in Long Life rechargeable LI-ion Battery. Keypad to access Important Functions