The ZT-N4-STD-P4 is a compact 4-channel NVR designed for reliable residential and small business surveillance applications. Featuring 4K output, H.265 compression, integrated 4-port PoE support, and built-in AI detection features, this NVR delivers efficient video management, simplified installation, and seamless compatibility with third-party IP cameras, mobile apps, and smart control platforms. Notice: Trip-Wire Setup - This NVR model series supports trip-wire feature. However, the trip-wire detection line can only be seen when setting up trip-wire. The detection line cannot be seen on the live view of the cameras. Notice: UMD (Ultra Motion Detection) Not Supported - This 4CH NVR currently does not support IPC that have the upgraded with UMD feature