::specifications:: 1):Fuselage length:645mm 2):Fuselage height:225mm 3):Flying weight:720g 4):Main blade diameter:700mm(paddle diameter:300mm) 5):Tail blade diameter:150mm 6):Brushless motor:450 7):ESC:30A 8):Trasmitter:6 channels or more 9):Program type:CCPM 10):Receiver:6 channels or more 11):Servo:9gx4pcs 12):Motor gear:10T 13):Main driven gear:140T 14)Tail driven gear:12T 15):Battery:11.1V-2200Ah Li-ploymer battery