Constructed and performed for aesthetic conforming to conceal wiring Thats the new standard for wattmeter boxes. The successor to MXO131DW Plastic/Outdoor (IP33D protection rating but excluding the passage holes); Compatible with concealed wires. Waterproof type with an outdoor installation that prevents rain water and insects from entering. Comes with wiring parts (through material) that can be fixed to the base base, making wiring work and caulking easy. The stylish design and 3 color variations allow it to match the exterior walls of your home.