Concord Portable Handheld Pulse Oximeter Monitor with Loud Audible Alarms - Large Color Display for Accurate SpO2 & Pulse Rate - Ideal for Quick Spot-Checks & Continuous Monitoring

Great product.

I bought this unit to monitor my mothers COPD. I brought it with me and compared it to the unit our Doctors office uses and the results were identical. It was easy to use and set up the alarm parameters so both my mom and I know when her oxygen levels are low, or her pulse rate was low or high. I love the adjustable alarm volume and how loud it is, as well as the flashing LED light on the top that flashes too as the alarm goes off. I recommend this to anyone who need to keep a close eye on their oxygen levels or pulse rate.

I returned this almost as soon as I opened it. I tried it on multiple people in my home and it read everyone in the 80s. Totally not accurate.

I am 25 years old and have recently run into really bad asthma attacks during the night. I am currently treating it and doing everything my doctor has suggested and prescribed to treat the asthma, but in the mean time while undergoing treatment, this product has given me peace of mind that if I do have an asthma attack while I sleep, either me or my wife will wake up to the alarm and I won't just die in my sleep.Would be five stars if there were an option to plug into the wall. Batteries are expensive and this goes through them FAST if you are using it for continuous monitoring.

Works very well. Allows one to sleep at night, Uses lots of batteries, but well worth it!

Horrible this isn't going to wake anyone up if I'm dying... Waste of money!!!