Spring RC SM-S4306R Continuous Rotation Robot Metal Gear Servo 6.2KG 360¡ã degree SpringRC SM-S4306R Large Continuous Rotation 360 Degree Plastic Servo for Robot Descriptions: The SpringRC SM-S4306R is one of the few servos designed specifically for continuous rotation. This is a high quality servo and is very popular for robotics applications. As you can see in the pictures, the servo comes with many accessories that make it easy to get your project up and running. JR interface,360¡ãwith Robot Servo,4plastic gears+1metal gear.double ball bearing. Specifications: Working Voltage: 4.8V - 6V Working current: 0.1-1.2 A Torque: 5kg-cm @ 4.8V ; 6.2kg-cm @6V Average speed: 55 rpm-6V Rotation range: 0- 360 Working Temperature: 0¡æ~55¡æ Servo Type: Continuous Rotation Package size: 6 * 5 * 4cm / 2.4 * 2 * 1.6in Package weight: 60g / 2.1oz Package list: 1 * SpringRC SM-S4306R Servo 1 * Servo arm(bag)