With the URail Dim/Switch Adapter in matte chrome from the Smart Home Zigbee 3.0 series, you can switch and dim the following rail sections of the URail system. The adapter and rail are simply plugged together, allowing for easy integration of smart control into the URail system without any changes to the home electrical system. Every URail system has the potential to be smart-controlled. Note: This item is not compatible with all fixed LEDs and LED light sources and only works in conjunction with continuously dimmable lights. The dimmer compatibility can be found in the technical specifications of the lights/light sources.