Oxygen Saturation Range & Accuracy:
  0% – 99%,
  70 – 99% / ±2%,
  30 – 69% / ±3%,
  <70% / unspecified
Pulse Rate Range & Accuracy:
  30 – 240 BPM,
  30 – 99 / ±2 %,
  100 – 240 / ±3%
Perfusion Index: Lower than 0.4%
Power: Removable Li Rechargeable Battery
Continuous Operating Time: At least 30 hrs
Display: 1.8' large LCD screen
Alarm for Abnormal Pulse Rate:
Upper Limit: 110 BPM; Lower Limit: 50 BPM
Alarm for Abnormal Oxyen Satwration: SpO2 (< 85%)
Alarm for Displacement & Low Battery
USB Connection and Optional Probes
Storage Memories: Up to 12 hrs
Weight: Less than 70 g (including battery)
Size (L*W*H): Less than 53mm x 43.5mm x 17mm
Operating Temperature: 5°C - 40 °C
Storage Temperature: -20°C - 60 °C                           
Relative Humidity: 30% - 80% (No Condensing)