Robot Arm Kit Main Features: 4 DOF Robot Arm Kit is a creative learning kit designed for beginners. With this kit, you can have a good understanding of how a robot arm works, program its actions, and control it in a variety of ways to master the control of a multi-DOF robot. Learning Manipulators with Multiple DoF Memory Function Three-Axis Control Joystick Control Web /App Control Learn ESP32 Programming 4 DOF Robot Arm Kit? 1.Automatic Control 2.Manual Control