About this item 【7PORTS/12PORTS gigabit switch@150W 】PoE switch with 4P/8P 1000M PoE port + 1P/2P 1000M Uplink port,1 x 1P/2P G SFP,4×PoE ports providing up to 30W per port, total PoE budget 150W.1 gigabit ethernet Uplink Port for connecting NVR and Internet , etc.. 【VLAN mode 】VLAN mode(Turn on the VLAN switch) support isolate 4 PoE+ port from each other. It is easy for this 4 port PoE switch to manage and maintain ,Prevent broadcast storms, Prevent data confusion, Wireless networking application data is more stable. 【Active poe switch with 802.3af/at compliant】Poe switches support poe devices and non-poe devices, But when connecting passive poe device or non-poe device,the switch can only transmit data and cannot power your device,so the connected device needs to be separately powered. Or you can use it with active poe splitter. 【AI PD detection】Poe port will intelligently judge whether the device connected to the port needs power. If it's a non-Poe device that doesn't require power, the switch will not power those devices and won't damage the device. 【Plug and Play】 Easy setup with no software installation or configuration required 【Fanless Design】The fanless design makes the Poe switch work without noise. 【Built-in power supply】The power supply is located in the poe switch body and integrated with the switch. It is simple and light. After connecting to our AC Power Cable, the switch can transmit power to the equipment connected to the switch.