8? TFT LCD with Touch screen Input way : Floating and Defibrillation Protection Lead : Standard 12 leads Patient leak current : < 10pA Input Impedance : >50MQ Frequency Response : 0.05-150Hz [-3dB] Time Constant : >325 CMRR : > 60dB, >100db [Adding Filter] EMG Interference Filter : 35Hz [-3dB] Recording way : Thermal Printing System Paper Size: 210mm [W] x 20m [L] high speed thermal paper