Most smart switches need a neutral wire, which allows your smart light switch continue to be powered up and linked to Wi-Fi at all times. If your home was designed just before 1985 (and the wiring hasn’t been current), you could absence that critical wire. If that’s the situation, then https://smart-light-switches75286.shotblogs.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-smart-power-points-48722981