LNL WiFi Smart Light Switch, Work with or without Neutral Wire, No Hub Required, with Remote Control, Voice Control and Timing Function, Compatible with Alexa, Google Assistant and IFTTT 2 Gang-1 Way

【Work with or without Neutral Wire】Button WiFi + Bluetooth Smart Switch, work with or without Neutral wire. The capacitor is only used without Neutral wire, for supplying the power for WiFi chip. This upgraded version of the smart light switch is universally used with or without a neutral line. No need to worry about whether there is a Neutral wire anymore.