Lightweight and portable with a sturdy rubber grip, this oximeter offers one-handed operation and one-button convenience for consistently accurate readings of oxygen saturation level (SpO2) and pulse rate - in about five seconds. Use in hospitals, home care, cardiac rehab or wellness centers to document physiological changes and ongoing improvement for clients with respiratory or cardiac problems. Large, back-lit LCD makes reading data easy, even in low light. Highly durable case is water resistant. Includes a 36" (91cm) finger-clip sensor, standard carrying case and 4 AA batteries. 3 year warranty.