Yongrow Handheld Pulse Oximeter Portable Rechargeable Blood Oxygen Heart Rate Monitor Newborns Probe

2.4 inch high-resolution LCD screen with 9 adjustable brightness, display effect is clearer in different environment Intelligent parameter monitoring interface, Real-time display values and waveforms. Low perfusion lt;0.4% Anti-interference. Detection is simpler and more accurate. Probe optional, applicable to Adult, Child and Neonatal patients. Shows SpO2 and PR. Real-time display SpO2, PR and Plethysmography waveforms, time, battery display and alarm status display. Adult / Child / Newborn SpO2 probe optional Powered by rechargeable lithium batteries Automatic power-off