The fingertip pulse oximeter is used to measures oxygen level of blood & pulse rate. It can also be used to observe heart rate recovery when field cardiopulmonary resuscitation (CPR).
＊ Low power consumption。If no signal, it will be shut off automatically .
＊ Small , lightweight and convenient to carry.
＊ Can be used for outdoor which high altitudes or high & low temperatures.
＊ Low battery indicator.
＊ One button operation.
＊ High precision.
＊ LED screen.