High resolution thermal printer can print out ECG waveform clearly and accurately. ECG 200A is leading with digital isolation technology and digital signal processor that assures the authenticity and reliability. Important Functions Kinds: AC/DC are the two kinds of operations that contain Ni MH rechargeable battery, that can continuously record 80 pieces of ECG trace in the best DC condition. Amplifier Floating: Its amplifier has a floating input circuit. Make: The product's design corresponds to IEC, CF. Abnormal Condition: If the patient cable in automatic mode is not in the normal state, MODE button should be pressed continuously to observe the record. Frequency: This device has frequency record till 150Hz. Output: The output system of high definition linear array with 8 dot/mm, need not be adjusted. Effectiveness: Auto regulation of Baseline Drift is effective.