... CE,TUV of Europe.Integrated with SPO2 probe and processing display module.Can be used in hospital, home, community medical treatment ... , etc.Can measure SPO2 and PR accuratelySPO2 and PR display, PR waveform and bargraph displayBattery voltage low indicationFour directions ... mm), light, convenient to carry 1.3’double Color OLED display, resolution 160*64Spo2: 35~99%Pulse Ratio: 30~250BPMResolution: ...