... Measurement rang :-0.2mv~2.0mv Alarm:Yes,audible and visual alarm,alarm events review High resolution 12.1"color ... APO2,NIBP,RESP,2-TEMP,PR Optional:2-IBP,ETCO2,And thermal printer Bulit-in rechargeable lithium battery ECG waveforms ... can be storage and recall Date and waveforms color be adjustable Arrhythmia analysis and S-T segment analysis Suitable for adult,pediatric and neonatal patientSPO2 ...