Smart Wi-Fi Dimmer. The OnCloud Smart Wi-Fi Dimmer works with any 120V dimmable bulb or fixture. Works in single pole applications. Durable polycarbonate body with Snap-On faceplate. The smart Wi-Fi dimmer provides a maximum output of 400W for incandescent bulbs and 150W for fluorescent and LED bulbs. Features an ON/OFF press and a 7 level touch slider for dimming functionality. The smart Wi-Fi dimmer installs just like a regular dimmer. Replaces single pole switches (not compatible with 3-way switches). Neutral wire required.