The digital version of Hitec's popular 645 is the HS-5645MG, featuring a programmable digital circuit and their custom MP/metal gear train technology. Perfect for larger airplanes and helis, the HS-5645MG will deliver higher resolution and torque than its analog brother.
Tech Note: In order to program the Fail-Safe on this servo you will need to purchase the Hitec field programmer sold separately. The metal servo horn will fit any Hitec servos that have a "+" stamped on top of the output shaft.