The Fingertip Pulse Oximeter Model LK89 is a portable device designed for monitoring blood oxygen levels and heart rate. This pulse oximeter, without probe, is intended for use in family medicine settings. With a user-friendly fingertip form factor, this model LK89 provides accurate readings to help individuals keep track of their health and wellness. Perfect for home or on-the-go use, this pulse oximeter offers a convenient and reliable option for monitoring vital signs.