Life Care Pulse Oximeter

Small and portable Pulse Oximeter
OLED display: 
0.96 inch OLED display shows your measurement exactly
Dual color OLED displays spo2, Pulse rate, waveform, Pulse bar
Automatic shut-down: 
When the device is not in use for 8 seconds, it will automatically shut down
Setting prompt range of Spo2 and pulse rate
One button operation Menu function setting (Beep sounds, etc.)
4 directions and 6 mode display provide convenient readings
Powered by 2pcs AAA-size batteries