Our research has shown that Meditech Equipment pulse oximeter is the leader in the pulse oximetry industry. Their products are of high quality at very reasonable prices. All of their oximeters come with a comprehensive 2 year warranty, which is industry leading in comparison to mostly 1 year warranties. Their oximeters start from $26. A pulse oximeter from Meditech Equipment comes standard with batteries. Speaking to medical professionals, it was apparent that they not only recommend their products, but also use them at their practices.