... 4 rotations.Pleth waveform, displayed in 2 formats.Small in volume, light in weight(total weight is about ... 1,Monitoring pulse, SpO2,PR(Pulse Rate).2,Displaying volume and column diagram of stroll. Description: 1,Display ... display, four display directions.2,The product is small in size, light in weight (total weight is ... range: 30~255 bp 1,The product is small in size, light in weight (total weight is ...