Features: The weatherproof electrical box is designed to be round and weatherproof, making it suitable for humid and outdoor locations. The outdoor electrical box includes 5 pieces of 1/2 inch diameter threaded holes and has an impressive 16 cubic inches of capacity, capable of accommodating a 2 gang switch or outlet configuration. Specifications: Material: plastic Color: white Size: about 4 inches in diameter Capacity: about 16 cubic inches Package includes: 4 x Outlet box with installation accessories Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Small parts included, please keep them away from little kids to avoid swallowing risk.