Model number: ecg-901(single channel) Dimension:288mmx204mmx60mm Packing:380mmx300mmx210mm Weight:4.3kg(gross); 3.27kg(net) Single channel with measurement report Build in rechargeable ni-mh battery Chinese/english language Simultaneous 12 leads 20x2 character lcd Paper size: 50mmx20/30m Built in rs232 interface (usb is optional)
