15 inch patient monitor USA Brand ECG, HR, RESP, NIBP, SPO2, RR, ... -TEMP, 2-IBP, Nellcor Spo2, EtCO2),Mult-gas/O2 15 inch patient monitor1)15’’ high resolution (1024*768) LCD display 2 ... after the first alarm if low battery≥5 minutes udio indicator SpeakerQRS Sound with Pitch ToneAlarm Sound, according to the requirement ... can be silencedVolume45~85 dB measured at 1 meter 15 inch patient monitor