Philips SureSigns VM4 Monitor Refurbished. This Monitor comes with 21.3 cm (8.4″) SVGA LCD display. Parameters are ECG, NIBP, Temperature, NIBP, and SPO2. VM4 comes with a Thermal Recorder Built in. The SureSigns VM4 patient monitor measures ECG, SpO₂, non-invasive blood pressure, heart rate, arrhythmia, pulse rate, temperature (optional) and respiration.