-Ceiling cut-out: 6  5/8"
-UL listed for feed through wiring and damp locations 
-Adjustable hanger bars allow the housing to be positioned at any point within a 14"-24" joist span
-With 4 in-4 out J-box
-HID electronic ballast 120/277V 100W max.
-Lamp: CMH 39W/50W/70W/100W  E27