The HYLOGY Pulse Oximeter CMS50D is a digital Finger SpO2 Oxygen Saturation Monitor that meets FDA 510K Compliance standards. Made by the brand hylogy, this fingertip oximeter is powered by batteries and has a digital display for easy reading of oxygen saturation levels. With its CE certification and origin in China, this pulse oximeter is a reliable tool for monitoring and testing oxygen saturation levels for health and beauty purposes in the field of health care.