LK87 Lk87001 Pulse Oximeter

LK87 Lk87001 Pulse Oximeter, this oxygen sensor will accurately calculate your SpO2 (blood oxygen saturation levels), heart rate, and pulse strength, and display them on a large digital LED display. The monitor is very light, small in size, uses very little power, and is simple to carry with a detachable cord, allowing you to test oxygen saturation almost anywhere. The auto power off function saves battery life by turning off the device seconds after removing the finger. Two AAA batteries are needed (included).