Four parameters: NIBP,SpO2,Pulse Rate,Temperature * SpO2 waveform, PR strength display * 2.8 inch color LCD with real time display * Storage/Review trend data up to 3888 groups, data save time interval settable * Audio and visual alarm when parameters exceeded and sensor-off * Built-in rechargeable Li-ion battery, up to 4 hour running time * Automatic shutdown for power saving, shutdown time interval settable * Via USB to connect with the computer, unique software for telemonitoring by transmitting data synchronously via internet * Battery capacity indicatior and prompt when battery low