The Outdoor Landscape 12V Dimmer from WAC Lighting lets you easily control your outdoor lighting. This Energy Star Qualified dimmer is constructed with durable and corrosion-resistant aluminum alloy, this dimmer offers long-lasting performance in outdoor environments. Designed to be installed in a single-gang deep weatherproof junction box (not supplied), it offers reliable operation while protecting against the elements. Always use the supplied gasket to prevent water from entering the junction box. The dimmer range may vary depending on the load applied.