Hobbypower DIY S500 Quadcopter with APM2.8 Flight Controller NEO-7M GPS and HP2212 920KV Brushless Motor + Simonk 30A ESC This action is a DIY S500 Quadcopter kit, it is unassembled. Come with high quality electronic accessories, only need EXTRA 3S Lipo battery and 6CH above radio system to complete.