... signals;Selectable Multi-recording modes,Three-channel, 3-channel+Rhythm, 60 Sec Compressible waveform record; ... V5 leads mensuring for Physical examination, time-saving, paper-saving, convenient;Hidden handle. G.MEAS: 0 ... Interference ≤0.5mm Paper speed 25,50mm/s(±3%) 25,50mm/s(±3%)Sensitivity AUTO,2.5 ... ,5,10,20mm/mV Recording mode Thermal Array printing Paper ...