Product Details Fangrui Product Details Enhance Your For Raspberry Pi Setup With Our Poe+ Hat, Designed To Power Your For Raspberry Pi 4 Or Pi 3 B+ Directly Through An Ethernet Cable. This Hat Is For Users Looking For A Reliable And Convenient Power Solution Without The Clutter Of Extra Cables. Compatible With For Raspberry Pi 4 And Pi 3 Model B+,supports The 802.3af/at Poe Standard For Efficiency And Safety, Streamlines Power Setup, Reducing Cable Clutter,easy Installation And Secure Attachment To Your For Raspberry Pi,this Poe+ Hat Not Only Simplifies Your Workspace But Also Ensures A Stable And Secure Power Supply To Your For Raspberry Pi, Making It An Ideal Choice For Both Beginners And Experienced Users. Standard: 8.2.3af/at Input Voltage: 37-57vdc, Class 4 Equipment Output Voltage/current: 5v Dc/4a Current Detection: Yes Transformer: Flat Type Fan Features: Controllable Brushless Cooling Fan Provides 2.2cfm Cooling Air Volume Fan Size: 25x25mm Features: Fully Isolated Switch Mode Power Supply Applicable To: For Raspberry Pi 3b+/