This device is an ONVIF horn speaker that supports public address and intercom network system. With the support of the international standard ONVIF protocol, it can accept broadcasts and calls from LAN, and can be quickly deployed to the desired place with only one network cable. Through the web interface, you can upload and download songs for direct playback. It can be independently bound to a camera and triggered to play music via the camera’s API. The horn speaker offersa wide sound diffusion angle, is easy to install, and delivers excellent reproduction of both speech and music.