Includes dual-gang box, one 15A tamper-resistant duplex receptacle, 106 adapter with four openings for communication devices, and nickel cover with four screw plugs. For hole cut dimensions, see installation instructions sheet. Box Dimensions: 3 1/4" W x 3 3/4" L x 3 7/8" D (83mm W x 95mm L x 98mm D) Device Plate: 4 7/8" W x 5 1/16" L (124mm W x 129mm L).