Product description：
Fingertip Oximeter,name by Finger Pulse Oximeter is easy to detect the SpO2, Pulse Rate (PR), Pulse Intensity and Perfusion Index (PI). it also can display plethysmograph.

> Easy to use with one-key operation
> Portable and lightweight
>SpO2, pulse rate, and PI (perfusion index) monitoring
>Histogram of pulse rate and waveform of plethysmograph
>Bright color OLED screen with Multi-direction display
>Automatic power-on and power-off function
>Audible and visual alarm of SpO2 and pulse rate
>Two AAA batteries are required for operation with low power consumption