This oxygen monitor can accurately determine your SpO2 (blood oxygen saturation levels), heart rate and pulse strength in 8 seconds and display it conveniently on a large digital LED display The Pulse Oximeter can be used to measure Human Hemoglobin Saturation and Pulse Rate and indicates the Pulse Intensity by the bar-display. The product is suitable for use in Family, Hospital (Ordinary Sickroom), Oxygen Bar and Social Medical Organization. Our device records SpO2 and pulse rate during a medical emergency or intensive care. This device is widely used in the clinics, hospitals, and homes to record vital signs of patients with respiratory issues like COPD, COAD, emphysema, asthma, etc PI indicates about the pulse strength at the sensor site. While a regular pulse rate in waveform graph ensures the reliability of the readings. This device works well with all age groups and the best for offering pediatric care at home and hospitals. This requires 2 AAA batteries and shuts off automatically when you are not using it. This also consumes less power and indicates when the battery is low.