... ,70A,60A,50A,40A,30A,20A,12A,8A brushless speed controllerfor HelicopterWires Connection: Always use new connectors, which should be soldered carefully ... (prevents the motor from accidentally running when switched ON)7. New Advanced programming softwareOur ESC allows you to program all functions ... PACKAGE ESC 85A,70A,60A,50A,40A,30A,20A,12A,8A brushless speed controller