The Gen 1 Dimmer Smart Plug (NZW39) is a discontinued Z-Wave Plus indoor plug that dims a 500W lamp load rather than just switching it. Z-Wave JS still drives it locally.
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Discontinued, and the only plug-in dimmer Inovelli shipped. 500W on 120V AC at 908.42 MHz. It presents as a dimmable light in Home Assistant, so a table lamp with a dumb bulb gets brightness control without touching the wall box, which is the usual reason to keep one in a rental or a heritage room. Dimmable loads only: an LED bulb that is not dimmable will flicker or buzz. No energy reporting. Z-Wave JS interviews it under Willis Electric rather than Inovelli, since that was the OEM. No retail page remains; the manual lives on the Inovelli help center.
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