AXIS C1211-E Network Ceiling Speaker is an all-in-one speaker system that makes voice announcements smart and easy. It connects to standard network using one cable for both power (PoE) and connectivity. AXIS C1211-E offers flexible, discrete recessed ceiling installation, ideal for indoor environments but can also be used for protected outdoor areas like under the eaves. Additionally, it features a backbox that meets plenum requirements. It offers easy integration with your video management software (VMS), VoIP telephony, analytics, and more. Including a preconfigured digital signal processer (DSP) it produces clear voice every time. It also features a built-in microphone enabling remote health testing and 2-way audio talk-back. Furthermore, the embedded audio management software supports user, content, zone, and scheduling management. The outer diameter is 216 mm (8,5 in) and the dimension for fixing hole is 194 mm (7,6 in).