| Place of Origin | Zhejiang, China | Brand Name | METERPRO |
| Model Number | DDS-121A | Display Type | Digital Only |
| Phase | Single Phase | Measuring Energy Range | 0-99999 |
| Accuracy Class | 1.0 or 2.0 | Output Voltage | AC110-240V |
| Operating Temperature | -30 ~+50C | Dimensions | 155*120*52mm |
| Standard | IEC62053-21 | Type | Prepayment Electric Meter |
| Logo | Accept Customized Logo | Warranty | 2 Years |
| Installation method | wall mounted |