Vivitar 283 Electronic Flash
Note: The 283 and 285HV flashes require fresh AA batteries to be installed, even when using the AC adapter. With 285HV models manufactured after 2006, only alkaline batteries will allow the adapter to deliver proper voltage.
The SB-4 replaces the Vivitar SB-4 (239404) AC Adapter.
| Country | USA |
| Brand | Pearstone |
| Manufacturer | Pearstone |
| Binding | Electronics |
| ItemPartNumber | 239404 |
| Model | 239404 |
| UPCs | 847628001077 |
| EANs | 0847628001077 |
| ReleaseDate | 0000-00-00 |