1. Mobile app remote control on and off;
2. Timing function;
3. Countdown;
4. Support Alexa, google home, IFTTT voice control
5. Support multiple mobile phone controls
6. Energy saving and environmental protection
7. Overload protection
8.app online upgrade
9. Can be added in batches
10. Group control
11.AC and USB can be controlled independently (USB is a whole control)