Here is a simple, low-cost, high quality servo for all your mechatronic needs. This servo is very similar in size and specifications to the Hitec HS-55. This little guy is able to take in 6 volts and deliver 20.8 oz-in. of maximum torque at 0.10 sec/60° This small servo comes with a standard 3 pin power and control cable, and all hardware listed below. Note: This servo is rated for 180° rotation, but in actuality it only hits ~160°. Features: Voltage: 4.8-6.0 Volts Torque: 16.6/20.8 oz-in. (4.8/6.0V) Speed: 0.15/0.10 sec/60° (4.8/6.0V) Rotation: ~160° Single Top Ball Bearing Nylon Gears 3-Pole Ferrite Motor Includes: 1x Micro Size Servo 1x Single Arm Micro Horn 1x Double Arm Micro Horn 1x Four Point Micro Horn 1x Circle Micro Horn 2x 2x8mm Phillips Screw Dimension: 31.8 x 11.7 x 29mm Wire Length: 160mm Weight: 9g Documents: Datasheet mbed Example