• Can be used in hospital, home, community medical treatment, sports healthcare, ect.
• Can measure SPO2,PR accurately.
• SPO2 and PR display,PR waveform and bargraph display.
• Battery voltage low indication.
• Four directions and eight modes.
• Low power consumption;shut off  automatically when no signal.
• Pulse sound function.
• Alarm function.

Technical Parameters:

• OLED display.
• SPO2:35%-99%.
• Pulse Ratio:30-250BPM.
• Resolution:1% for SPO2,1BPM for pulse ratio.
• Accuracy:
• +2%(70%-99%)
• unspecified(<70%) for SPO
• +2BPM or+ 2%(select larger) for pulse ratio.
• Power:1.5V(AAA size) Alkaline batteries*2.
• Can work more than 30 hours continuously.