3 Gang, Old Work Box, 5.72" x 2.79" x 3.69" Depth, 8 Mounting Ears, 55 CUIN, Accommodates 3 Wiring Devices Such As GFCI, Large Dimmers, Easy Installation, Lightweight & Durable Construction, Non-Metallic, Non-Corrosive, Non-Conductive, UL Listed.