1. 3D rocker design

2. Particular Code-study function, and can change different instuction itself

3. Set kinds of protocol and baud rate in RS485

4. Updating new program function on line

5. One key to search current protocol and baudrate of control address

6. All parameter are set by key, fast and easy

7. Can control 15pcs sub-keypad at most

8. LCD Display

Control Keyboard