VE-100 - 3 channel ECG - complete digital design - LCD display waveforms, parameters configurable - 7 leads simultaneous acquisition (only 33306) - built in rechargeable Li-ion battery for 3 hours use (Ac/Dc supply) - automatic ECG parameter measurement and analysis (33306 only) - complete digital filter, avoid baseline drift, Ac, emG interfere. Baseline automatically adjustable, optimize printing position.