HOBBYWING XROTOR 20A MICRO 3-4S 4-IN-1This XRotor 4IN1 Micro ESC not only includes 4 high performance 20A ESCs, 1 built in BEC, but also output ports for powering peripherals like FC, camera, and a port for FC checking current and voltage in real time. The highly integrated structure makes the installation and wiring simple and clean. Rotation direction of every motor can be set via transmitter. This saves the trouble of re soldering after connected soldered motors to the ESC freely and