LVS Model EPC-D-F is a univerally compatible transfer control. Automatically switches designated emergency fixtures from a dimming control to emergency power during a utility power interruption, and brings them to full brightness. Used with For 2, 3 & 4 wire dimmable loads, including 0-10V and Lutron EcoSystem. Used with incandescent, fluorescent, and LED loads. Includes integral test switch and red & green power indicator LEDs. Universal mount.