Smart Light Switch with no Neutral Wire requirement

It seems to me that this product would be a natural and potentially huge market for the DYI guys like me that own older houses. Just tried to install a few Smart Switches just to find out that the house is not “Neutral” wired. Had to return all the switches purchased as they were unuseable. Could be simple to add a rechargeable “dime” type battery that maintains the WiFi up when the light is off and recharging while the light is on (power going through).

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A post was merged into an existing topic: Smart light switch and/or dimmer