"I purchased this to replace an existing switch in which one of the gangs had failed. Works a dream. Being the v-pro version I could set the minimum brightness no problem. I also tried it out with one of the Sylvana 8W LED bulbs that Screwfix also sell and that worked without flashing. Result."
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Review 2 for Varilight Trailing Edge Push Dimmer 3G 1/2W 3 x 300W/VA