High Speed Version - Metal Gear. Specially designed for 3D electric helicopter. Faster, Stronger, and More accurate. Comes with cross and circle servo horn, mounting screws, and grommets. The servo comes with an accessory package and the universal JR/Hitec "S" Connector which is physically and electrically compatible with all major receiver brands sold worldwide. Servo leads are eight inches long from case to end of plug. Follow the wiring diagram below. If you hook the servo up incorrectly nothing bad will happen - just flip the S connector around and the servo will work correctly.