Jmt Kkmulticopter V2.3 Circuit Board Flight Controller V5.5 for Rc 6-axis Hexacopter Multi-copter Aircraft Ufo Latest KKmulticopter controller V5.5 Board,V2.3 program, Simple structure, Easy to Maintain and Debug Control Relying on potentiometer adjust gyro sensitivity. Full servo signal output, support normal ESC / analog servo Support for single-axis / UFO, Y3 3-axis, Y4-type 3-axis, 4 axis, 6 axis, V22 flight mode Supports 4-axis "+" and "X" flight mode, support for six-axis "HEXA6" and "Y6" flight mode.