Juno Lighting VuLite Collection Economy recessed 4-Inch new construction housing features 0.032-Inch aluminum construction. It accommodates R16/R20/PAR16/PAR20 incandescent lamp that has voltage rating of 120 Volts. This housing has medium base porcelain socket and is suitable for wet location. It is 1-1/4-Inch insulated ceiling mountable and has cut out of size 4-1/2 inches. It measures 13-3/8 Inch x 12 Inch x 6 Inch. Housing is UL/cUL listed.