Display Mode: 3.5" Color LCD display
SpO2 Measuring Range: 35%~100%, (the resolution is 1%).
Accuracy: 80%~100%:±2% ,70%~80%:±3% Below 70% unspecified.
PR Measuring Range: 25bpm~250bpm, (the resolution is 1bpm)
Accuracy: ±2bpm or ±2% (select larger)
Temperature Test Range: 20 ~ 50 °C (the resolution is 0.1 °C)
Accuracy: 0.2 °C
Safety Type: Interior Battery,BF Type