Edwards Signaling 7603 Wall Station provides convenient call activation. Calls are placed by simply pushing the locking-type push button on the front of the station. The 7603 has one button. Models available with faceplate engraved "Emergency." Designed for either flush or surface mounting. Unit fits in a standard single-gang electrical box and plaster cover. For surface mounting, use a Wiremold surface box. All boxes must have a minimum depth of 2 1/4" (57mm). Boxes and covers not supplied.