Here is a pulse oximeter from Nonin. This is a nice pulse oximeter. It has alarm limits, audio, and it even has a callander. I love this machine. Its got a nice alarm. Its not too hard. Its just a soft alarm that REALLY alarms you if something is wrong. Its GREAT FOR HOME CARE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! God bless Have a good day!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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