ARRIS X-Speed 250B V2 250 FPV Quadcopter Racing Drone RTF W/ Flycolor Raptor 390 Tower 4-in-1 (30A ESC + F3 + OSD + PDB) This RC drone is fully assembled, tuned and tested before leaving the factory. Plug the battery, then it can fly. It comes with Raptor 390 Tower w/ 30A 4in1 ESC + F3 + OSD + PDB, greatly reduce the wiring messing. It also comes with radiolink AT9 transmitter + 5.8G fpv video TX + 4S lipo battery + camera + antenna. 100% ready to fly. brand new ARRIS 2205 motor and 5042 propeller can work perfectly and offer highest performance. It flies very fast. You can enjoy the flying fun with this amazing fpv racing drone.