... +Rhythm, 60" YSECG0103 ECG 3 Channel LCD display machine~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Select simultaneously acquisition of 12-lead ECG ... by indicating light;V1,V3,V5 leads mensuring for Physical examination, time-saving, paper-saving, convenient ... 63mmx30m,roll 50mmx20m,rollLCD display .320x240 graphic LCD,display status&waveform. 20x2 character LCD,display status.Safety classification IEC60601 ...