1.) Heavy payload at least 10KG ,  for special works and special palces.
2.) Hovering duration more than 30 mins , With 10KG payload hovering duration more than 20mins 
3.) Ground computer base for programing, Auto flight.
4.) With High quality T-motor propellers and 4pcs 22.2v*22AH Li-Po battery
5.) With extend device to ensure available in 5KM at least