Expansion Board for RPI 4B3B+POE Power Over Ethernet Cooling Module Onboard Fan

Feature: 1. Based for RPI 40pin GPIO interface, suitable for RPI 3B+4B. 2. Support PoE Power over Ethernet, support 802.3af PoE network standard. 3. Using full isolated switches mode power supply (SMPS), easy to use and high safety. 4. Onboard 0.91inch OLED, real-time display temperature, IP address, fan running status, etc. 5. Onboard cooling fan, with fan switches, can be set for power‑on operate or pin programming control. Specification: Item Type: Expansion Board POE Power Input: 37V~57V input POE Power Output: 5V 2.5A output Network Standard: Support for 802.3af POE OLED Size: Approx. 2.3cm 0.91in OLED Resolution: 128*32 Size: Approx. 3.5mm 0.1in 65mm 2.6in 58mm 2.3in 9mm 0.4in 31.5mm 1.2in 49mm 1.9in 4mm 0.2in 3mm 0.1in 56.5mm 2.2in . Package List: 4 x Screw4 x Nut4 x Screw1 x Expansion Board