Landon Medical pulse oximeters are the number one selling pulse oximeters in the United States
. They offer a 2 year warranty, and come with a lanyard, carrying pouch, and batteries. A Landon Medical pulse ox is a standard for most nurses in the United States. Over the years it is becoming a household name. The industry has other companies that sell pulse oximeters, but Landon Medical pulse oximeters are what set the bar for quality.