... processor for guaranteeing the authenticity and depend ECG-200A ( 1 Channel ) Features:ECG-200A is designed with digital isolation technology ... , please continuous press MODE button to observe the record;Design corresponds to IEC, CF, the amplifier is floating input ... identify certificate 1 pcs, packing list 1 pcs, eligibility card 1 pcs, warranty card 1 pcs,50mm Thermal Recording Paper 1 roll, patient ...