The MS-D1 Mute Switch from Louroe is compatible with all Louroe Digifact audio monitoring/audio surveillance systems. It's used for remote microphone muting from any Digifact hardware with a microphone. The MS-D1 features a built-in rocker switch with a green LED integrated on a single-gang stainless steel faceplate. It can be installed in any environment using two pairs of Cat 5e or Cat 6 cabling.