This LK 87 Pulse Oximeter is a reliable and efficient device for measuring pulse rates. It is manufactured by the trusted brand Pulse and is suitable for use in various settings, including healthcare, lab and dental clinics. The oximeter is designed to provide accurate readings to aid in the diagnosis and treatment of various medical conditions. The device is easy to operate and features a compact design that makes it easy to transport. It is perfect for those who require a pulse oximeter for their medical practise or for those who need to monitor their pulse rate at home. This LK 87 Pulse Oximeter is a valuable addition to any medical equipment collection. Brand new pulse oximeter you will require 2x AAA batteries .