The Fingertip Pulse Oximeter is a compact and portable device that monitors your blood oxygen saturation levels and heart rate. With its LED display and wireless connectivity, it provides accurate and convenient readings. Powered by batteries, this FDA 510K compliant unit is designed for ease of use and reliability. The sleek white design adds a touch of elegance to this essential health monitoring device. Made in the United Kingdom, this model (LK89) is a must-have for anyone looking to keep track of their vital signs. Please read manual carefully before using.