The SpO2 modules are intended for continuous, noninvasive monitoring of functional oxygen saturation of arterial hemoglobin (SpO2) and pulse rate measured by an SpO2 sensor. The SpO2 modules and accessories are designated for use with adult, pediatric, and neonatal patients. Only one SpO2 module can be connected to the Alaris System. With a vast inventory of products for the Alaris system, Peak Medical Resources is your resource for the best price and service to accommodate all your Alaris system needs.