Lutron RMJ-5T-DV-B 120-277V Pow Pak Wireless Dimming Module Ballast Brand: Lutron MPN (part no.): RMJ-5T-DV-B CA title 20: compliant UL listed: UL 2043 plenum-rated Voltage: 277/120; Operates 0-10V Fluorescent Ballasts or LED Drivers