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(AAAsize) Alkaline Batteries× 2;
Working current: ≤ 25mA
Resolution: SPO2: 1% Pulse Rate: 1bpm
Accuracy: SPO2: 70%to100%± 2digits, below70%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 when there is no finger in the device.