DJI Original E600 Tuned Propulsion System Parts CW 415KV 3508 Motor for Multirotor Brand: DJI; Stator size (mm): 35 x 8; KV (rpm/V): 415; Weight (g): 90 Improved mass production techniques, along with scientific quality control systems, lowers costs and ensures that the products are more accessible to users New self-tightening mechanism dramatically reduces any chance of loosening rotor or mistakenly installed rotors Tool-free mounting and dismounting makes storage and transportation much easier Package included: CW 3508 Motor x 1; Free touch screen stylus pen is included (Random color shipped)