DS-3E0528HP-E

20 × gigabit PoE ports, 4 × gigabit Hi-PoE ports, 2 × gigabit RJ45 ports, and 2 × gigabit fiber optical ports.
IEEE 802.3at/af/bt standard for Hi-PoE ports (Max. 90 W PoE output).
IEEE 802.3at/af standard for PoE ports (Max. 30 W PoE output).
IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, and IEEE 802.3z standard.
6 KV surge protection for PoE ports.
Up to 300 m long-range transmission.
PoE watchdog to auto detect and restart the cameras that do not respond.
Port isolation to improve network security.
Gigabit network access design.
Wire-speed forwarding.
Store-and-forward switching.
Solid high-strength metal shell.