Sell Oxygen injection instrumentOxygen meterfetal heart rate insturment☍✓♈New Blood Oxygen Finger Pulse O best price

Material: Plastic Blood oxygen measurement accuracy: 70 ~ 100%, ± 2%-± 3%, less than 70% undefined Blood oxygen measurement range: 70 ~ 100% (resolution is 1%) Pulse measurement range: 30 ~ 250BPM (resolution is 1BPM) Pulse rate accuracy: ±2bpm or ±2% to the maximium Data update circle: 0.25s-2s SpO2 PR average: 8s Pulse beep: support Peak Wavelength range: 500 nm-100 nm Automatic shutdown: when no finger is inserted, it will automatically shut down within 5 seconds Battery: 2*AAA Batteries (Not Included) Size: 57.8*31.3*35.9mm Package size: 85 * 65 * 40mm/3.3 * 2.6 * 1.6inches Package Weight: 60g