Raspberry Pi 4B/3B+ Ethernet PoE Power Supply Module POE HAT Expansion Board with Fan Cooling

Brand Name: LANDZODemo Board Type: ARMProcessor Brand: AllwinnerModel Number: POE HAT Expansion BoardROM Capacity: NoneIntergrated Feature: WiFi 802.11b/g/nInterface: SATAoutput: 5V/2.5A DCProduct Size: 65*56.5mmnetwork standard: Support 802.3af PoESpecification1: 37- 57V DC, Class 2 deviceSpecification2: Fully isolated switched-mode power supplySpecification3: 25mm * 25mm brushless fan for processor coolingSpecification4: Fan control