The CMS50D4 Pulse Oximeter is a high-performance, non-invasive device designed to measure blood oxygen saturation (SpO₂) and pulse rate accurately through the fingertip. Featuring a bright, adjustable display with multiple viewing modes, it provides real-time readings of SpO₂, pulse rate, bar graph, and waveform. The device offers a low-battery indication to ensure continuous operation and automatically enters standby mode when not in use to conserve power. With its compact size, simple operation, and clear display, the CMS50D4 is ideal for hospitals, clinics, home care, and sports recovery applications.