Simple to use with only two buttons to operate and intuitive user interface Unique pulse quality indicator offers simple assessment of signal quality and eliminates need for plethysmographic waveform to confirm sensor placement Reliable and accurate Nonin PureSat SpO2 technology Compact, rugged and lightweight portable unit For added durability the 2500 features a built in rubber bumper and also has specially developed carry case options Battery: 4x 1.
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