This 6-DOF robot arm is made from 3mm thick aluminium sheet and uses 4x 12Kg/cm metal geared TowerPro MG945 servos for the base and arm. 2x 1.8Kg/cm GWS STD micro servos operate the wrist and gripper. A serial interface and PC software is included. Servo robot, as the name suggests, is the six servo motor-driven robot arm. Since the arm has a few joints, we can imagine, our human arm, in addition to shoulder, elbow, and wrist, coupled with the finger joints; there are a lot of joints. So this robot is the same, with six servo motors to achieve a simple structure, no one apart from so many joints, but also lack some of nerve tissue and the nervous system, however, "dexterous hand" (which can be complexly Assembly, handling or catching eggs), "Humanoid" robot is a robot on the forefront. Package Includes: 6 DOF robot Arm (assembeled) Controller unit (See Photo Below) Control software CD ​Cable Free Controller Board come with Arm