[B]This controller is great but I search equivalent at low price
YGE4-BL brushless controller
Max continuous current: 4A
For use with 1 to 3 Li cells. Number of cells automatically detected.
Reduced power at low voltage. Low voltage detection can be disabled.
BEC: 5V at 1A
Timing adjustable in 5 steps (0 degrees to 30 degrees)
Switching frequency: 14kHz
Mass: 1.3g without wires