Surface Mount Backbox Our surface mount outlet box can be used for surface-mounted wiring of wall switches/sockets. It can be installed indoors or outdoors, suitable for places where wall-mounted boxes cannot be added Multi-Purpose Wiring Solution Whether it is circuit transfer, branch wiring, or enhanced safety, this electrical outlet box can easily cope with it and improve the flexibility of household electricity use Compact Size The outlet box has a compact size of 120x73x35mm, an installation hole distance of 85mm, a wide range of adaptability, ABS material, strong and wear-resistant, white and simple appearance, seamless integration into various home decorations