Máy bay tự ráp Y4 copter 420mm DIY FrameCấu hình :Frame : DIY Y4 copter 420mmMotor : Hobbywing 2405 2400kv 5040 Prop ESC : Hobbywing XRotor 30A Dshot600FlightControl : Sp F3 racing, Betaflight FWBat : 4s1550 mAh