1It a premium servo and is very popular for robotics applications 2The servo comes with many accessories that make it easy to get your project up and running 3It is a double-bearing, high-torque, and 360-degree-rotation servo 4JR interface, 360 degree with robot servo, four plastic gears and one metal gear 5With excellent performance, it is suitable for robot Features: It a premium servo and is very popular for robotics applications. The servo comes with many accessories that make it easy to get your project up and running. It is a double-bearing, high-torque, and 360-degree-rotation servo. JR interface, 360 degree with robot servo, four plastic gears and one metal gear. With excellent performance, it is suitable for robot. Specification: Material: Plastic Color: Black Length of Wire: Approx. 30cm / 11.8inch Operation Speed: 49 R / M (4.8V) Operation Speed: 58 R / M (6V) Stall Torque: 7.9 kg-cm, 109.7 oz-in (4.8V) Stall Torque: 8.7 kg-cm, 120.8 oz-in (6V) Rotation Angle: 360 Model: SM-S4306R Weight: 62g Type: RC Model Part & Acces Package List: 1 x Servo 1 x Pack of Part Kit Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.