The FaceLake FL400 Pulse Oximeter is a compact and portable device designed to measure the oxygen level in your blood. With dimensions of 330 hundredths-inches in length, 120 hundredths-inches in height, and 130 hundredths-inches in width, this pulse oximeter is easy to handle and transport. The included carrying case in black ensures that the device stays safe and secure while on the go. Perfect for healthcare professionals, students, or anyone needing to monitor their oxygen saturation levels.