Zacurate Pro Series 500DL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicon Cover, Batteries and Lanyard (Royal Black)

I have only been able to get an accurate reading on my little finger. Perhaps because other fingers are a little bit calloused with age? It also seems a little slow at calculating. But not bad for $20. Just dont get too upset if your reading is too low. Try other fingers before calling 911!

Compared to hospital devices and gave very close results

I recently found out that I have a lung problem. So I need to check my oxygen level 3 times a day. I can make sure that my level is where it should be. Works great.

I had a different one and I had a feeling it was off because every time I went to the doctor, they told me I was well within range. Not according to mine at home! This one was exactly the kind my dr. had so I got it. Yup, accurate too now!

Its works, its accurate and easy to use.

I would recommend this item, I used when I was congested, but if a family member has asthma then I would suggest using this product it’s fast safe and easy to use. Highly recommended.

Does just like it’s suppose to. Great addition for any med kit.

As an asthmatic, knowing my O2 stats is incredibly important to keeping myself in good health. This product is small, easy to turn on and use, and works quickly. It can be a bit finicky if you dont get your finger placed correctly inside the unit, but you will get the hang of using it pretty quickly correctly. Overall the device provides good quality and an easy to use O2 reading.

Works Great! Thanks!

Works good....14 bucks, its a deal.