Standard SpO2
Accuracy: 70% to 100%: +2%, unspecified 0% to 69%.
Range: 0-100%.
Alarm Range: Same as display range, alarm limit setup length is 1%.
Pulse Rate
Range: 20bpm to 254bpm.
Alarm Range: Same as display range, alarm limit setup length is 1bpm.
Refreshing Rate: About 1 second.
Accuracy: +3 bpm.
PR Average: 8 second.
Pitch Tone: Yes.