| 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 |