This is a used product but in excellent working condition.  There may be signs of cosmetic wear but is fully operational and functions as intended. 

The 512 Model provides reliable continuous measurement and display of oxygen saturation of arterial blood (SP02) and pulse rate.

The light weight model operates from 2 AA Batteries and weighs less than 6 ozs.  (Batteries are NOT included).

Operational Manual is included.

Please view all the photographs as they describe the item as they really are.

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