... , four direction adjustable. SpO2 and pulse monitoring, and Waveform display. Low-power consumption Finger oximeter with color OLED display,SP02 Parameters ... continuously work for 50 hours.Small in size, light in weight, and convenient to carry.Low voltage alarm display, Auto power ... % on operation 10%-80% in storage. Air pressure: 70kPa-106kPa. Declaration: EMC of this product comply with IEC60601-1-2 ...