Dispay screen: OLED screen
Display direction switch: display 4 directions switch
External sensor: available for temperature &SpO2 sensors
Automatic alarm: Available for setting upper&lower limit, automatic alarm when beyond limit
Measuring range: SpO2: 35-99%; Pulse rate: 30-250bpm; temperature: 25℃-45℃
Measuring accuracy: SpO2 : 90%-99%, ±2%; Pulse rate: ±3bpm; Temperature: ±0.1℃
