... OLED display, four direction adjustable. SpO2 and pulse monitoring, and Waveform display. Low-power consumption Finger oximeter ... :Color OLED display, four direction adjustable.SpO2 and pulse monitoring, and Waveform display.Low-power consumption, continuously work ... 33mmOperation environment :. Operation temperature : 5°C-40°C,.Storage temperature : -10°C--40°C. Ambient humidity: 15%-80% on ...