Mechanical robot arm with 5 movement Specifications - 3 Servo GWS04, 1 for rotation and 2 for the arm movement up and down - 3 Servo HS-322, 1 for up and down movement of the second segment, 1 for the the gripper rotation and 1 for grip the gripper - Wide body 20 x 18 cm - Include gripper with max gap 8 cm