Model number: ECG-903A (Three channel)
Dimension:300mmX230mmX61mm
Packing:375mmX295mmX195mm
Weight:4.5kg(gross); 3.57kg(net)
Three channel with interpretive
Build in rechargeable Li battery
Chinese/English language
Simultaneous 12 leads
320X240 graphic LCD, 3.8 inch screen
Paper size: 63mmX20/30m
Built in RS232 interface (USB is optional)
8 patients save/copy/communication
Sell ECG-903A (Three channel) 
