The Health Tree Fingertip Pulse Oximeter is a reliable and accurate device for monitoring your oxygen levels. With its Infrared Sensor technology and FDA 510K Compliance, you can trust that you are getting accurate readings. The oximeter is powered by batteries and has a wireless connectivity feature for added convenience. It also includes an alarm to notify you if there are any issues with your oxygen levels, making it an essential tool for those looking to track their health and wellbeing.