Super overcurrent protection:
*3-layer PCB board
*3 ways of Current Shunt
*Single circuit current only pass single layer.
*to protect esc board to avoid overheat and overcurrent.
*Support 2-6S Lipo battery
*Support 22xx，23xx，24xx series motor
*Suitable for Narrow arm frame Drone
*Suitable for 5-7 inches quad
Perfect for professional FPV racing.
1x FD50A ESC