The CRSM5-EAKIT is a single-zone audio surveillance kit designed for use with powered-over Ethernet I/P cameras. It features an in-line adaptor for power tapping from Ethernet-powered cameras to supply power to the SM1 microphone. The kit includes an SM1 pre-amplified microphone, SMEA-1 interface, patch cable, warning label, mounting screws, and installation instructions. With versatile connectivity options and high-quality audio capture capabilities, it offers a comprehensive solution for audio surveillance needs.