The new plastic arm made of PA66, 30% of ultra high strength materials, more durable.
The main frame integrated PCB board, with gold-plated high-strength composite PCB board. The power, ESC connection is fast, safe.
The lower motor mounting location to make lower C.G. of quadcopter and more stable.
Optimize installation space to provide large space for control system and electronic stuff.
The new special made M2.5 screws to make the main frame and the arm is securely connected
