The PoE HAT (C) is a 802/at-compliant Power Over Ethernet accent for the Raspberry Pi 3B+/4B. By utilizing this small HAT and a couple of right 802/at-compliant energy sourcing equipments, it is possible to produce both network connection and gear supply in your Raspberry Pi in just one Ethernet cable While providing regular strength for the Raspberry Pi, there may be also a USB-A port for powering more outdoors device, Onboard immoderate speed lively cooling fan, higher heat dissipation Fully remoted switched-mode calories delivery (SMPS). POE enter voltage: 37V ~ 57V DC input, POE-USB Type A output voltage: 5V 4A (MAX), POE-Pin header output voltage: 12V 2A (MAX), Network standard: Support IEEE 802/at PoE. While offering steady strength for the Raspberry Pi, there is also a USB-A port for powering extra exterior machine Product size: 56 x 65mm color:Blue Material:PCB Package Contents: 1 x PoE HAT (C) 1 x Standoffs pack Only the above kit content, assorted merchandise are not included. Note: Light taking pictures and assorted exhibits may cause the color of the thing in the photo somewhat different from the genuine thing. The dimension allowed error is +/- 1-3cm.