Fingertip SpO2 sensor spo2

Product main technical parameters: Emission wavelength:660 ±5nm Absorption wavelength:905 ±5nm SPO2 test range: 70% 100% SPO2 test precision: 90% ~ 100% and 70% ~ 2% 89% and 3% Pulse rate test range: 30 BPM ~ 245 BPM Pulse rate test precision: 30 BPM ~ 59 BPM, and 1 BPM 60 BPM ~ 149 BPM, and 2 BPM 150 BPM ~ 245 BPM, and 3 BPM Product use working environment requirements: Environmental humidity: 5 °C to 40 °C; Relative humidity: ± 80% Compatible with all brands of adult finger clip spo2 sensor Adult Finger Clip Spo2 Probe Atmospheric pressure: 700 hpa ~ 1060 hpa power 5 v( ± 10%)