... -parameters (1channel of ECG+ 1channel of EMG+ 2 channels of EOG +1channel of Breath)(multi-parameters ... Vp-pCMRR: ≥90dBMagnifying multiple: 10 000Filtering constant: all digital and free enactmentSpeed of displaying(paper speed): 5, 10, 15 ... , 30, 60, 120 mm/sDisplaying gain: 1,2,5,10,12,15,20 mm/50uvSpeed of review: ... 1, 2, 3, 10, 20, 40, 6050Hz interference suppression ...