1. Independently control 4 return street lights/loads;

2. Equipped with manual button switches;

3. Delay on/off function;

4. Equipment online detection function;

5. It has on-site storage and recovery functions; 6. Status value query and reply function;

7. Selection function of relay switch status after bus power failure and voltage recovery;

8. It has scene combination control function;

9.4 switch execution module can input control commands such as switches and scenes;

10. Module online detection function.