The Megaman Smart ZB Mains Switch Module is an auto dimming module for seamless dimming performance. Functions include ON/OFF, dimmimg, group and scene control. The 3-wire connection Smart ZB Dimming Module is Zigbee® Home Automation Certified, and compatible with all Megaman standard dimmible products. It can connect to to devices with a 300W resistive load in total or 300VA LED devices. Output is a resistive load of 1.3A Max. LED 300VA. Wiring: 3 wires (live, output and neutral).