Talkback Door Speaker can be used with all Valcom handsfree talkback page controls, door answering units, or any control with a 45 ohm speaker output. It can be surface mounted with the two screws provided or mounted in a single-gang electrical box.
Weather-Resistant Talkback Speaker
Includes Call Button ("CALL" in Braille)
Dimensions: 5.5"H x 4.0" W x 1.1" D