1. SpO2 Measurement range: 0-100%
2. SpO2 resolution: 1%
3. SpO2 Precision: 70~100%, 2%; 0-69%, undefined
4. Pulse rate Measurement range: 25-250bpm
5. Pulse rate resolution: 1bpm
6. Pulse rate Precision: 2bpm
7. Display screen: OLED color, 4 shows direction
8. Power: 3V, 2 PCS AAA Batteries
9. Working current: 30Ma
10. Automatic shutdown
11. Working temperature: 5~40℃
12. Storage temperature: -10~ 50 ℃
13. Work humidity: 15% ~ 80%
14. Stored moisture: 10% ~ 95%
Dimension (LxWxH) : Product:58x 31 x 29 mm
Weight: 60g (without battery)