The Otis 7 Series of Pulse Oximeters is from Spencer. The product guarantees immediate measurement, accurate and non-invasive of oxygen saturation in the arterial blood and of the pulse rate. This series of pulse oximeters are versatile and comes with the following features: - Equipped with peripheral data collector can be easily positioned for use on individuals of all ages. - Practical and safe approach to monitoring patients - Available in both clip and disposable varieties - Battery powered it is suitable for use anywhere and at any time. - Easily transportable and requires little space storage - For use in emergencies, neonatology, intensive care, pneumology wards and general medicine - Simple in design makes it safe and easy for paramedic personnel and non-specialized personnel including patients themselves to use as a home therapy instrument - Can be read in any kind of lighting