Size Information: the outdoor electric outlet box measures 10 x 10 x 5.5 cm/ 3.94 x 3.94 x 2.17 inch, the size of the square metal above the ground is 12 x 12 cm/ 4.72 x 4.72 inch, the height of the socket up state is 5.5 cm /2.17 inch, and the package comes with 4 pack of electrical outlet boxes with sealing washers, mounting screws and junction boxes, and outlet boxes have 20A tamper resistant receptacles and 4.8A USB charging ports Slow Elastic Design: our outdoor electrical outlet covers are composed with a damper, which ensures the outlet opens more slowly and gracefully, and there has a metal box with ears, so that you can glue or screw it to the bottom of the table or other places you want Reliable Material: made of aluminum alloy, these floor outlet covers are sturdy and serviceable, rustproof, waterproof and weatherproof with a gasket in IP44 waterproof grade, can resist tamper well; Also, the bottom box adopts stainless steel material, is coated with a surface that can