Display Mode : 0.96" Dual-color display (blue and yellow)
Screen Resolution : 128*64
SpO2 Measuring Range : 0%~100%, (the resolution is 1%), Accuracy : +/-2%, Below 70% unspecified
PR Measuring Range : 30bpm~250bpm, (the resolution is 1 bpm. Accuracy +/-2bpm or 2% (select larger)
Measurement Performance in Weaking Filling Condition : SpO2and pulse rate can be shown correctly when pulse filling ratio is 0.4%, SpO2 error is +/-4%, pulse rate error is +/- 2bpm or 2% (select larger)
Resistance to surrounding light.
Power Consumption : Less than 30mA
Voltage : DC 2.6V - 3.6V
Power Supply : 1.5V (AAA size) Alkaline batteries x 2
Battery working hours : Two batteries can work continually for 20 hours, The Theoretical is 36 hours.