4-Channel 24V Relay Module Board with Optocoupler Isolation, Supports High/Low Level Triggers for Arduino Projects - Reliable Expansion Shield
| Country | USA |
| Brand | Goldenrod |
| Manufacturer | GOLDENROD |
| Binding | Misc. |
| ItemPartNumber | 442 |
| Model | 442 |
| UnitCount | 2 |
| EANs | 7430988904961 |
| ReleaseDate | 0000-00-00 |