GARTT GT500 DFC TT RC Helicopter Torque Tube Version With plastic canopy firts Align Trex 500 Much bigger than its smaller 450 brother, Not RTF version, need to assemble by yourself with electronic manual. the DFC500 is an exciting helicopter to see in action and even more exciting to fly. Its 2024 alloy head ensures hard core 3D pilots wont be dissapointed in the performance and the beautifully painted cowl and Titanium anodized components make this a visually stunning helicopter with performance to back it up! Also featuring a DFC rotor head and torque-tube driven tail, this machine is capable of handling whatever hardcore aerobatics you choose to throw at it!