Two parameters：SPO2, Pulse Rate.
1、Tiny, light, "all-in-one" integrated clip design, easy for carrying;
2、LED screen with SpO2, PR and Pulse strength measurements;
3、Immediately, real-time spot-check;
4、Single button interface, easy for operation,
5、Common AAA alkaline or rechargeable batteries to support 3 continuous working hours;
6、Low battery power indicator;