EASY to USE - Plug and play, no configuration is needed. Easy installation, ideal for Wifi AP, IP Security camera, VoIP etc. SURGE PROTECTION - 6KV surge protection, keep the PoE Extender from lightning strikes and other electrical surges, offering reliable performance even in some harsh environments. POE WATCHDOG - AI Mode Powered Device Alive Check.Realtime monitoring PoE load device's status and will automatically reboot PoE port when the connected device is not active. It proivdes non-stop running of PoE device, like security camera, IP speakers and IP phones. One-Key VLAN- 1-24 port isolated from each other but communicating with the uplink port to improve network security. 820ft EXTEND MODE - It supports POE Extend mode for 820ft long distance POE transmission (Bandwidth reduces to 10Mbps per port). IEEE802.3af/at COMPLIANT- Providing up to 30W per port and total PoE power budget of 300W. 24 PORT PoE SWITCH - 24*10/100Mbps PoE ports and 2 *1000Mbps Uplink.