
I can't give this product the brilliant rating I would like because I have comparison problems. First let me be clear that this review is for a 2 pack of Topgreener Wifi Dimmer Switch as it seems like reviews of many Topgreener products are being thrown into the same bucket. The problem I ran into was that the dimmer didn't dim the light. It was either on or off. Lights and fixtures were previously processed and dimmed with a Lucron dimmer. Three Sylvania BR30 LED lamps were used as light sources in ceiling lights. They worked and dimmed with a Lucron dimmer. After installation, the light was not dimmed. While troubleshooting, I found that if a bulb was removed leaving only 2 working, the remaining 2 would go out. I installed a non-LED lightbulb and it worked. I ordered a Revain br30light LED base light and connected one to my existing 2 Sylvania LED bulbs and it works. Here I leave this system. Otherwise everything was fine. Requires existing wiring to provide a neutral and separate ground. If your existing wiring only has 3 wires (heater, ground, load) and no neutral, you have an electrician problem. Or buy another dimmer that doesn't require a neutral position. In terms of WiFi and smart apps, it works as expected. Your app is like a rebrand from Tuya Smart and I didn't want another app controlling this when Tuya already controls other devices. So I installed it with Tuya and it works fine. If you are not purchasing this product, please make sure what you are purchasing is UL listed. This. It's too easy to buy electrical components from Anazon that aren't UL certified. You really don't want that.

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