•           0.96" dual-color OLED display(blue and yellow).

•           Display of SpO2, PR, bar graph and pulse waveform.

•           Four directions and six display modes.

•           Adjustable brightness .

•           Low battery indication.

•           Automatic power off when the finger leaves the device for 5s.

•           Display mode can be saved after power off.

•           Optional enclosure color.

•           Power Supply: two “AAA” batteries.

•           Continuous working time: 20h.