DIY kit multi rotor axis F450 4-axis flight control rack APM FPV aerial aerial drones whole suit novice best practice machine APM is now installed only flight control, GPS-enabled, you can set the air high point. One button automatic return back to the departure point automatic landing, the best exercise machine entry aerial APM2.8 + GPS (fixed-height mode, headless mode, fixed + fixed height = hover mode, automatic return) Flight Control is based on the market’s most powerful open source autopilot inertial navigation with GPS antenna. It can be achieved given the high, fixed hover, circling, automatic return, and much more. History of the most powerful and most expensive car Flight Control. Package includes: APM2.8 flight control (with GPS) + ESC Motor * * 4 + 4 + Remote Control + Rack + battery + paddle * 4 + damping plate + Charger Send installed the necessary gadgets Above packages can, spare parts delivery (buyers need to have a DIY spirit and patience to study and solve problems).