Pulse Oximeter BM1000D is a Blood Oxygen Saturation Monitor (SpO2) with Pulse Rate. An oximeter is used for measuring the pulse oxygen saturation through the finger. Blood Oxygen Level Your body requires a very precise balance of oxygen in the blood. For your body to perform optimally, blood oxygen levels should be above 95%. Resting Heart Rate Heart beats per minute while at rest tells a lot about your internal health and fitness levels. It is a strong indicator of your risk for heart problems. Four direction rotation Takes two 1.5V AAA batteries
