Features * It can be used with talkback control units with remote calling features * Valcom Call Rocker Switch fits a single-gang electrical box * White spring return rocker switch * Brushed stainless steel wall plate * Call button mounts in a single gang electrical box using two screws * Switches: single pole momentary spring return rocker switch * Valcom Call Rocker Switch has a dimension of 4.5"H x 2.75"W x 1.50"D * Valcom Power Units (0)