1 channel 12 leads Electrocardiograph-ECG Simultaneously acquisition of 12-lead ECG data, IEC Class I, safety standard Leads: type CF Manual: single channel Auto I: standard single channel Auto II: standard single channel plus rhythm lead Measurement and distinguish point printing function under auto mode operation Filters: AC, HUM, DFT Real-time clock, real-time measurement and presenting of ECG parameter Large LCD (240*320dots) display 12 channel ECG wave forms Battery: high-efficiency lithium battery, at least 2 hours' working time Function of heart rate detection and protection against pulse shock while pacemaker applied Storage of 8 patients' ECG data Power: 220V/110V ( + 10%), 50/60Hz selectable USB interface and RS232 ensures convey of ECG data Option: ECG Software For net-working capacity