powerday DIY Replacement F550 Hexacopter Kit Frame Kit+AAPM2.8 Flight Controller +NEO-7M GPS+2212 920KV Brushless Motor+ Simonk 30A ESC+1045 Propeller This action is a DIY HF-F550 Hexacopter kit, it is unassembled. Come with high quality electronic accessories, only need a 3S Lipo battery and a 6CH above radio system to complete. This F550 quadcopter is a very popular machine, it has a strong rack, beautiful appearance, and a stable system for smooth flight, it is very good for fly and FPV.