https://www.securitysupplies.a....e/product/comelit-27
An audio intercom handset is a device that allows you to communicate with someone at the door or gate of your home or business. An audio intercom handset consists of a speaker, a microphone, and a button that can be used to answer or end a call. An audio intercom handset is connected to an outdoor unit with a microphone, a speaker, and a call button. When someone presses the call button, the audio intercom handset rings and you can talk to the visitor and decide whether to grant or deny access.
#intercom
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