With its cone-shaped corners, it is easy to control the direction of audio broadcasts. It also supports wall mount and pole mount installation. Constructed from aerospace-grade aluminum, it is resistant to corrosion and designed to endure a range of outdoor climates. However, it is not suitable for environments with high corrosion resistance requirements, such as seaside locations, ports, chemical plants, and thermal power plants. With its integrated design, it has a built-in network audio decoding chip, high fidelity digital operational amplifier and horn speaker. Supports PoE+, which is convenient for on-site installation. Supports device registration and intercom based on the ONVIF protocol. Supports the standard SIP protocol and SIP-based intercom. It has a 512 MB storage capacity, and supports uploading custom audios and using TF cards for expansion (the back cover must be open). Supports remote management over the network, facilitating operation and maintenance. Built-in one-click reset button.