About this item Already set the programe and welded all pieces. You just need to assemble to fly. Colored arms for orientation to keep you flying in the right direction, and large mounting tabs on main frame bottom plate for easy camera mounting. 30A Brushless ESC Speed Controller For RC Quadcopter Hexacopter. Before Producing, The Manufacturer Have Set Up The Program:Simonk Firmware, The Esc Do Not Need Additional Program.