AXIS C1004-E allows users to remotely warn off intruders before they commit a crime, to deliver instructions during an emergency or to make general voice messages. Built-in memory supports pre-recorded messages. Security staff can respond to notifications with live speak. Digital signal processing (DSP) ensures clear sound. Open standards support easy integration with network video, access control, analytics, and VoIP (supporting SIP). AXIS C1004-E is a standalone unit that can be placed almost anywhere, which supports a flexible, scalable and cost-effective system. The speaker can be installed indoors or on sheltered exterior of buildings. It can be mounted horizontally or vertically.