VEVOR NEMA Steel Enclosure, 16 x 16 x 6'' NEMA 4X Steel Electrical Box, IP66 Waterproof & Dustproof, Outdoor/Indoor Electrical Junction Box, with Mounting PlatePremium Steel MaterialIP66 Protection LevelHinge and Lock SecurityEffortless to Install & UseThoughtful DesignExtensive ApplicationInner Dimensions (H x W x D): 15.6'' x 15.6'' x 4.6'' / 39.7 x 39.7 x 11.65 cm,Color: Gray White(RAL7035),Material: 0.059'' / 1.5 mm Carbon Steel,Feature: Lockable, Waterproof,Certification: CE / ROHS Certification,Mounting Plate: 0.079'' / 2 mm Detachable Galvanized Backplate,IP Rating: Designed to meet IP66 and NEMA 1, 2, 4, 4X, & 12 specifications,Outer Dimensions (H x W x D): 16'' x 16'' x 6'' / 40 x 40 x 15 cm,Galvanized Backplate Dimensions: 13.8" x 13.8" / 35 x 35 cm,Connection Type: Hinged,Model: SPT,Product Weight: 22.27 lbs / 10.1 kg,Coating: Epoxy Polyester Powder Coating