The Hikvision DS-3E0520HP-E is a 16-port Gigabit unmanaged PoE switch designed for high-performance networking and reliable power delivery in surveillance and enterprise environments. It features 16 Gigabit PoE ports, including 4 Hi-PoE ports that support higher power output, along with 2 Gigabit uplink ports and 2 SFP fiber ports for flexible network expansion and high-speed connectivity. This switch supports IEEE 802.3af/at/bt PoE standards, delivering up to 30W per standard PoE port and up to 90W on Hi-PoE ports, making it suitable for powering devices such as IP cameras, PTZ cameras, wireless access points, and other PoE-enabled equipment. It has a total PoE power budget of up to 225W, allowing multiple devices to operate simultaneously with stable power distribution.  Designed for ease of use, the DS-3E0520HP-E offers plug-and-play operation without requiring configuration. It includes advanced features such as PoE watchdog for automatic device recovery, port isolation for enhanced network security, and long-range transmission up to 300 meters on selected ports.  Built with a durable metal housing and rack-mountable design, the switch ensures reliable long-term operation in demanding environments. With its combination of high-power PoE capability, Gigabit performance, and intelligent protection features, it provides an efficient and scalable solution for modern IP surveillance and network infrastructure systems.