The DSP60 offers superior speed, torque and precision for the class, and includes complete mounting hardware and an assortment of servo arms. You can optimize its performance for specific applications like airplanes, helicopters and tail rotors by adjusting the endpoints, gain and even direction using the Digital Servo Programmer (SPMDSP- sold separately). The DSP60 is ideal for smaller electric models like 3D profile foamies and micro helis.