Speed controller X-30-Pro with BEC from Hacker 87100003Speed controller X 30 Pro with BEC from Hacker 87100003 Speed controller with BEC for brushless motors. The 5V BEC is suitable for two to four servos. The all new Hacker X Pro Series controllers. Specially developed for high pole outrunner and 2 pole inside runner brushless motors. With the NEW USB interface it allows precise adjustment. Features include automatic timing, auto LiPo detection, selectable acceleration, motor direction adjustment, Bec,