This TP-Link TL-SF1005LP 5-Port Unmanaged Desktop Fast Ethernet PoE Switch requires no configuration and provides 4 PoE (Power over Ethernet) ports.

It can automatically detect and supply power with all IEEE 802.3af compliant Powered Devices (PDs). In this situation, the electrical power is transmitted along with data in one single cable allowing you to expand your network to where there are no power lines or outlets, where you wish to fix devices such as APs, IP Cameras or IP Phones, etc.

Features:

5× 10/100 Mbps RJ45 ports
4× PoE ports transfer data and power on individual cables
Works with IEEE 802.3af compliant PDs
Up to 250 m data and power transmitting range under Extend Mode
Priority Mode ensures high priority of ports 1–2 to guarantee the quality of sensitive application
Supports PoE Power up to 41 W for all PoE ports
Plug and play with no configuration required