• Display mode: LED display
• SPO2 measuring range:35%-100%
• Pulse rate measuring range:30bpm-240bpm
• Pulse waveform display: bargraph display
• Low battery indication: LED display
• Power supply Requirement: 1.5V(AAA size) Alkaline Batteries * 2;
• Working current:<=25mA
• Resolution: SPO2 : 1% Pulse Rate: 1bpm
• Accuracy: SPO2 :70% to 100% (+,-)2 digits,below 70%unspecified Pulse rate:(+,-)2bpm or (+,-)2%(select larger)
• Measurement at Low Perfusion: The values of SPO2 and pulse rate can be displayed properly when pulse saturation is at 0.4%.
• Accuracy of SPO2:(+,-)4%
• Accuracy of Pulse Ratio.(+,-)2BPM or (+,-)2% (Select Larger)
• Resistance to surrounding light:
• Deviation is smaller than (+,-)1% between value of Oxyhemoglobin measured in natural lighting indoor condition and present lighting sources and that measured in dark room.
• Automatic shutdown function:The device will power off automatically within 5 seconds whenthere is no finger in the device.
• Warranty: 1 year

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