Savox .11/486.1 7.4V HV Coreless Digital Servo, Standard Extremely powerful for its size pushing 486.1 oz-in torque Super strong and precision made titanium gears provide high level of durability that will survive heavy use Coreless motor brings output performance to the top level smoother, faster, and more efficient Special design for high voltage native 2s LiPo operation Ideal for large-scale airplane, jet, and 1/5th scale surface