Release and Drop Professional Device for DJI Phantom 4 (all models) – Drone Fishing, Bait Release, Load Delivery, Search and Rescue and Fun – U.S. Patent - by DRONE SKY HOOK
| Country | USA |
| Brand | HarperCollins |
| Manufacturer | Harpercollins |
| Binding | Hardcover |
| UnitCount | 1 |
| EANs | 9780060122843 |
| ReleaseDate | 0000-00-00 |