Here is a simple, low-cost, high quality servo for all your mechatronic needs. This little guy is able to take in 3 to 7 volts and deliver 17.5 oz-in. of stall torque at 0.12 sec/60°.The servo comes with a standard 3 pin power and control cable. It also comes with a Single Arm Horn, a Double Arm Horn, and a Four Point Horn. It is also suitable and easy to be used with an Arduino board or Raspberry Pi.