Features: Effortlessly measure blood oxygen saturation (SpO2) and heart rate with the AFE4490 module, designed for SpO2 sensory to provide accurate health monitoring data. This prototype board features the AFE4490, analyzing light absorption in red wavelengths to calculate oxygen and track heart rate without ECG electrodes, ensuring in plastic design. Ideal for electronics enthusiasts, developers, and researcher prototyping SpO2 devices or evaluating health monitoring systems in project and educational labs. Perfect for use in experimental setups, health tracking application or testing environments, where consistent heart rate monitor and oxygen data collection is essential for prototyping. Enabling easy plotting and storage of sensory readings from this module for enhanced analysis. Specifications: Component:Plastic Size:Approx.2.5cm/0.98inch Package Includes: 1Pc AFE4490 Oximeter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.