1. Auto-rotate screen
  2. SPO2 - Digital
  3. Display Type: Color OLED
  4. Parameter: SpO2, PR, 6-step bargraph
  5. Range: 35%-99%
  6. Resolution: ±1%
  7. Accuracy: ±2% (70-99%) Unspecified:<70%
  8. Pulse Rate - Digital
  9. Range: 30-250 bpm
  10. Resolution: ±1 bpm
  11. Accuracy: ±2 bpm or ±2%
  12. Low battery indicator
  13. Battery Type: 2 AAA Alkaline batteries
  14. Operation time: 30 hours for normal operation
  15. 5 second auto-power off
  16. Operating Temperature: 5°C - 40°C
  17. Storage Temperature: 40°C - 60°C
  18. Operating Humidity: 15% RH - 80% RH
  19. Storage Humidity: 10% RH - 95% RH
  20. Size: 58.5*31*32mm
  21. Weight: 1.8 oz (50g)