Spektrum high-voltage, brushless servos deliver dependable power and digital precision with amazing efficiency. Finely tuned electronics and software combine with powerful brushless motor technology to offer ultra-smooth performance more efficiently than servos with conventional motors. The aluminum center section allows any heat within the servo to dissipate rapidly while high-strength metal gears and high-impact polymer case components deliver a precision instrument that's hassle-free.The Spektrum A6320 uses this solid foundation to achieve an outstanding balance of power, speed and value, plus the peace-of-mind over-current and over-temperature protection offers. It's a brilliant feature combination that makes this servo an outstanding choice for applications such as 30-50cc size 3D aerobatics, giant-scale or high-speed jets.