Features1.04 inch LCD color display(including roping and instruction)Blood oxygen saturation, plus rate, blood perfusion index, blood oxygen volum waveform and pulse intensity histogram can be displayed.Four-way rotation display.Intelligent power saving, no operation after 8 seconds automatically into syandby modeAccurate monitoring Under the circumstance of weak perfusion ≤0.4%Physiological alarm, automatically change the display color when parameters are abnormalLow power indicatorParametersOxygen saturation(SpO2)Measurement range: 35%~99%Resolution: ±1%Measurement accuracy: 90%~99% ±1%70%-89%;70% undefinedAlarming Default Value:<85%Pulse rate (PR)Measurement range: 30bpm_240bpmMeasurement accuracy:±1bpmAlarming default value: >110bpmPerfusion index(PI)Measurement range: 0.2%~20%Measurement accuracy:0.2%~2% ±0.1%Product size: 63*41*31mmGross weight:0.07kgGross weight of outer carton: 14kg(200 picecs/ carton)Outer box size: 364*425*355mm