... Features: High resolution 12.1”color TFT displayLightweight, compact and portableECG, SPO2, NIBP, RESP, TEMP, PRBulit-in rechargeable lithium ... or ±1%S-T segment detection Measurement rang :-0.2mv~2.0mv Alarm:Yes,audible and visual alarm,alarm events review ... High resolution 12.1"color TFT displayLightweight,compact and portableECG,APO2,NIBP,RESP,2-TEMP,PROptional:2- ...