The FSR WB-PR3G is a recessed 3-gang mounting plate with a plastic cover. This mounting plate is an effective way to secure and protect wall plates and data plates with multiple network connections. Wtih the rising issue of network security, this model features a locking plastic door with a clear acrylic window. The window can be used as a view port, allowing the operator to effortlessly monitor the status of the control panel mounted in the box without opening it.