Hand-Held Pulse Oximeter, Tuff-Sat, made by Ohmeda. Lightweight and portable, this hand-held pulse oximeter with a sturdy rubber grip offers one-handed operation and one-button convenience for accurate and consistent readings of oxygen saturation level (SpO2) and pulse rate in about five seconds. - Ideal for use in hospitals, home care, cardiac rehab or wellness centers to provide documentation of physiological changes during rehabilitation and ongoing improvement for clients with respiratory or cardiac problems. - Large display and back-lit LCD makes reading data easy, even in low light conditions. - Highly durable case can withstand the most challenging environmental conditions and is water resistant. - Includes a 36" (91cm) finger-clip sensor, standard carrying case and four AA batteries - Catalog # E19-0676-06