ECG Machine is used to measure the rate and regularity of heartbeats, as well as the size and position of the chambers, the presence of any damage to the heart, and the effects of drugs or devices used to regulate the heart, such as a pacemaker. Specifications : » Type: Pathological Analysis Equipments» ECG Records: Internal Storage for up to 300 Digital ECG Records» Power Supply: AC 100-240 V, 50/60 Hz» ECG waveform and working state display, economical to save recording paper.