This surface-mounting housing Backbox is crafted from stainless steel with a durable powder-coated finish in Golden Yellow color and semi-gloss coating. It supports multiple modules including call buttons, keypads, fingerprint readers, and displays, making it versatile for various intercom and access control system applications. Designed for single-family, multi-tenant residences, and commercial environments, it combines durability and functionality for reliable installation and use. Enhance your security system with this robust housing solution.