This PoE-World device provides an efficient solution for delivering power to a for 3B+ or 4 over 328ft of network cable. This device allows power to be carried on 10/100/1000 networks with either 802.3af or passive injectors and switches with a CAT5e, CAT6 or CAT7 Ethernet network cable. Intended for use with or similar PoE switches - this active PoE solution negotiates with the switch to activate power and provide it to the Pi. It is a compact and cost effective power solution. This PoE to 5 volt converter allows you to operate the Pi up to 328ft or 100 meters from a power source. The form factor is Perfect for a Pi case - especially the Premium case. The connector pins are available for GPIO and serial use. There is room for a large heat sink, and the output power is completely regulated and. stable, with much less noise than the for hat. size:65x39x11mm Material:plastic colour:green Package Contents: 1 * PoE HAT with Heatsink (not include for ) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.