Most of the existing smart light switches need a neutral wire (3-wire) for connection. However, common home lighting (except very few with special design in recent years) do not have a neutral wire in switch box. Will you consider re-wiring your home because of buying a new smart light switch? Definitely "Not"!
Yoswit can help you skip all these trouble! Our revolutionarily solution offer a unique feature other brands don't: support both "Live only" (2-wire) and Live and Neutral (3-wire) wiring option! No matter which wiring type you are using at your home, you can replace the traditional light switch with Yoswit's light switch, and become smart.