Features:
SpO2 & pulse monitoring, and histogram of pulse display
Large TFT color LCD display:160×128  with SPO2 wave
Power:840 mAh Lithium battery, AC charger
Low voltage alarm display
Probe for: adult, Neonate 1.8〃 and infant
Resolution:±1% for spo2,±1 BPM for pulse Ratio
Accuracy:±2%(70%-99%),unspecified(35%-70%),  ±2 BPM for Pulse Ratio
Plethysmogram display, Battery Indicator
Alarm setting for Spo2 and Pulse
Flash memory with review history  data function (option)
Interference resistance capacity  against ambient light