Digital Miracle Y - Servo Reversing Y adapter for JR PROPO, SPEkTRUM, HiTEC, and Airtr. Z equipment. Compatible with 4.8volt and 6.0v receiver batteries. Stable digital circuitry. Easy no-drift alignment. Plugs in between the receiver and servos to reverse direction of one servo. Wire spread length 36".  X-ref part # 3469D.