I found the Oximeter gave sporadic, unreliable results. Used a BP monitor and Google Watch (with BP software) to compare. I am frequently informed my BP is over 130bpm but it averages 72... Also...
I would most certainly buy from Ana Wiz again. The service was first class, easy online ordering and quick delivery. No complaints and would recommend the company. A member of my family recommended...
I was advised by family to get myself an oximeter. Most places were out of stock but luckily this company had them available. Rapid delivery at a fair price of a well made product.