GE 12723 Add On Switch in White is a smart wall switch suitable for interior use. It features a single plug (screw-in) with a 3-Pin XLR plug type and decorator/rocker switch style. Operated via a proprietary app, it offers various control options including switch, remote control, app control, and push button. The switch is designed for AC current and has a maximum amperage of 20 A. It includes features like vacation mode, timer, dusk-to-dawn cycle, and GFCI safety circuit.