5V 3A 4A PoE HAT Raspberry Pi 4 4B 3B+ 3B Plus 802.3at PoE+ Power Over Ethernet
Output power Max.12Watt (DC5V2.5A) when used with the IEEE802.3af standard PoE switch(or 802.3af PoE injector) Output power Max.20Watt (DC5V4A) when used with the IEEE802.3at standard PoE switch(or 802.3at PoE injector).