1, It's easy to make your traditional switch smart. It can also work with your exist 3-way switch, just install 1 switch module, suit for EU/UK switch box.
2, Wirelessly control your lights or devices. Work with Amazon Alexa/Echo Dot, Google Home &IFTTT.
3, Work with "Smart Life/Tuya" android/iOS App. Create multiple schedules to turn on/off your electronic sets.