Features:

Three Parameters:SPO2,TEMP(optional),Pulse Rate.
Waveform: SPO2 waveform-PLETH
2.8 inch color TFT LCD in real time display, displayable in big font and big screen
Unique software for telemonitoring by transmitting data synchronously via internet (Optional)  
Long time monitoring and sleeping monitoring
Storage/Review trend data up to 3888 groups, data save time interval settable
Via USB or Bluetooth wireless, to upload history data to PC for review, printing or storage
Audio and visual alarm when parameters exceeded and sensor-off
Common AA alkaline or rechargeable batteries to support 6 continuous working hours
Battery capacity indicator. Automatic shutdown for power saving
AC power can be used for optional