Efficient Power Supply Expansion Board PoE HAT (E) Expand Your Projects Effortlessly for Raspberry 3B+/4B Board Beginners and Education Features: Suitable for Raspberry 3B+/4B. This compact board supports the standard IEEE802.3af for reliable power output and features a power management chip. Designed for enthusiasts, this expansion board provides a simple power supply solution and allows for hardware expansion. Perfect for beginners and educational institutions, this board simplifies the power supply process and enhances usability for learning and teaching activities. Unlock new possibilities for your DIY projects with this versatile Ethernets Power Expansion Board, suitable for various applications. The expansion board has a compact design and is easy to install. Specifications: Material:PCB Size:Approx.65x32mm/2.56x1.26in for Raspberry 3B+/4B Board; PoE power input: DC37V~57V input Power output: DC5V 2.5A output Standard: Supports IEEE802.3af PoE Package Includes: 1xPoE HAT (E) Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.