Remote control ON/OFF at anytime from anywhere by phone. 2. Review current/voltage/leakage current/total kWh/Power factor/Frequency on phone 3. Timer function in Smartlife/TUYA app 4. Relay Status:OFF,ON,Memory ( Do not auto power on after power failure if breaker was off before failure, It will maintain its state. 5. Password protection 6. Can set overload/over voltage/under voltage/over current /leakage current/High temperature in app 7.Overload protection 8. Under voltage protection. 9.Over voltage protection 10.Over current protection 11 .High temperature protection 12. Leakage Current protection 13. Reconnect time (delay on time) 14. Restore factory settings ( Units can be reset to zero) 15. Countdown function 16. Schedule function 17. Time period rate limiting function 18. Circulate function 19. Inching function