GYA441 Airplane Gyro - Aileron or Elevator useCompact and lightweight, the GYA441 is designed to control the ailerons (roll axis) or elevators (pitch axis). Features include simple set up and S. BUS S. BUS2 connectivity. Dedicated airplane setting Stabilizes flight, even with hard to control scale models. Compatible with aileron or elevator control The GYA441 can be used even with airplanes with one servo each at the left and right wings. (S. BUS only) Remote gain function The remote gain