Fangrui Product Details 1. Portable Pulsioximetro Finger Spo2 Pulse Oxymeter Blood Oxygen Monitor Saturatiemeter (orange) 2. Features 3. Product Adopts Double Color Oled Display,can Show The Six Different Display Mode 4. Low-power Consumption, Continuously Work For More Than Six Hours With One Rechargeable Lithium Battery 5. Battery Power Indicator 6. The Device Will Automatically Power Off In 8 Seconds If There Is No Finger Signal. 7. Small In Volume, Light In Weight, And Convenient To Carry 8. Specification 9. Display Type:oled Display 10. Spo2 Measurement Range:~ 11. Accuracy: 12. ± On The Stage Of ~; 13. Below No Requirement 14. Resolution:± 15. Pr:measurement Range:30bpm~240bpm 16. Accuracy:±1bpm Or ±(the Larger One) 17. 4 Pi Index:measurement Scope:0~20 (optional) 18. 5 Power: Rechargeable Lithium Battery 19. 6 Power Consumption:below 30ma 20. 7 Automatic Power-off:the Product Shuts Off By Itself When No Finger Is In The Product A8 Seconds 21. Dimension:61.8mm33.1mm26.3mm 22. Operation Environment:operation Temperature:5a~40a 23. Storage Temperature:-10a~40a 24. Ambient Humidity:~ On Operation 25. ~ In Storage 26. Air Pressure: 86kpa~106kpa 27. Package Includes 28. 1xpackage Box 29. 1xpacking Cover 30. 1xlanyard 31. 1xcharging Cable 32. 1x Instruction Manual 33. 1x Pulse Oximeter