They're "accurate" when they get a decent measurement, imo. I can confirm with the other poster, I've found them to only be ~1 or 2 different from other oximet

They're "accurate" when they get a decent measurement, imo. I can confirm with the other poster, I've found them to only be ~1 or 2 different from other oximeters. I'd always assume bad read first if you have an outlier.