... , light and easy to wear, Applicable for longtime continuous monitoring; * Digital LCD display of SpO2, PR & Pulse Bar; * Automatic start measuring when ... Color OLED display * Screen Resolution: 128*96. * SpO2 Measuring Range: 0%~100%, (the resolution is 1%). * Accuracy: 70%~100%: ± 2%, Below ... rate can be shown correctly when pulse-filling ratio is 0.4%. SpO2 error is ± 4%, pulse rate error is ± 2 ...