Each switch of an IOTTY controller can be made dimmable by simply clicking in a dimmer module to the back of the controller. For example, if you'd like all 4 switches on a 4 switch controller to be dimmable, you'll need 4 dimmer modules.
Al...
Reviews
4.3
77 ratings
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Functional & easy to istall!
Boris · November 29, 2025
Great addition to our master bathroom. My wife and I love the look and ease of use.
