Most smart switches require a neutral wire, which allows your smart light switch remain powered up and connected to Wi-Fi continually. When your home was developed right before 1985 (and also the wiring hasn’t been current), you could absence that very important wire. If that’s the case, then I like https://dantecabyu.goabroadblog.com/33863141/5-simple-statements-about-smart-switches-for-home-explained