| Parameter | ECGH 300 | 
| Design | Compact | 
| Display | OLED with 160* 128 resolution | 
| Event Marking | YES | 
| Memory | In built 1 GB data storage | 
| Battery | AAA size battery which last for 24 hours | 
| Electrodes | 5 Leads | 
| Data Storage | SD Card | 
| Interfacing | USB | 
| Recording the state of pacemaker | YES |