â Multiple printout format of 3/2 channel , 3/2+1 channel, 3/3 channel, 3/3+1 channelâ Simultaneous 12 lead acquisition â High reliability with EMG filter of 25/35/45/75/100Hz(-3dB), CMRR of 100dB and Polarizing voltage of ±600 mVâ Automatic measurement and interpretation of ECG parameters â Single channel 60s compressed recordâ Rhythm analysis with R-R histogram and trend chartâ Paper size of 80mmÃ20mï¼roller type/Z-folding â Built in rechargeable Lithium battery or 12.5V. 1800mAh supporting 100 examsâ 128 exams in memory for recall and duplicationâ Optional WiFi supporting data transmission to PC