... Finger Pulse Oximeter Feature:Can be used in hospital ,home,community medical treatment,sports healthcare,ect.Can measure SPO2,PR accurately.SPO2 ... resolution 96*64SPO2:35%-99%Pulse Ratio:30-250BPMResolution:1% for SPO2,1BPM for pulse ratioAccuracy:+2%(70%-99%) ... at low perfusionPulse Oximeter,CE marked,SPO2,PR auto power-off function,four directions,eight modes.Pulse OximeterJPD-500ASmall&lightweight ...