CREE UR2-48-45L 44 Watt LED Driver for Two 4 Foot UR Upgrade Kit Lightbars - Lightbars Sold Separately\
https://www.shineretrofits.com/cree-ur2-48-45l-44-watt-led-driver-for-two-4-foot-ur-upgrade-kit-lightbars-lightbars-sold-separately.htmlThis LED Driver is compatible with 2 Lightbars for the UR Series upgrade kit that are 4 feet in length and deliver 4500 lumens. Select from either Step or 0-10V Dimming options.