Decorator dimmer with back and side wire. Preset feature allows user to return to previous light setting when turning lights on. Integrated linear slide control for easy, precise operation. Device can be wired into either 3-way location (load side or line side). Neutral is not required for installation of device. Replaces a standard switch and offers dimmer capabilities. Square law dimming perceived dimming level is proportional to the slider position. Power failure memory. Electrostatic discharge protection. Precise colour matching. Compatible with any decorator wallplate. For use with 1200/1600 W of dimmable LED or fluorescent.