Dynarex Resp-O2(TM) Fingertip Pulse Oximeters are high-quality devices designed to efficiently measure pulse rate (PR) and blood oxygenation levels (SpO2). These reusable Oximeters are constructed from durable plastic materials for optimal reliability. Designed to provide effective measurement of pulse rate and blood oxygenation levels Large font display allows for accurate reading Constructed from durable materials for reliable performance Includes convenient lanyard for easy portability Not made with natural rubber latex or DEHP *Please Note: if you are a MedicBox Pro member you may receive this item during your membership. If purchasing this product, you may receive duplicates.