1. A Power over Ethernet (PoE) expansion board for 5, supporting IEEE 802.3af/at network standards. 2. Suitable for use with PoE routers or switches that support IEEE 802.3af/at network standards. Only one network cable is needed to connect the for to the Internet and power it. 3. and Eco-Friendly Construction: Crafted from high-quality plastic material, this case offers superior durability, resistance to high temperatures, and . 4. Convenient Access and Modular Design: The case includes a removable top cover that provides easy access to the motherboard's GPIO ports. It supports stackable shell installation, making it versatile for various project configurations and expansions. 5. Uses non-isolated switch mode power supply. Motherboard Compatability: for 5 Case Type: for Recommended Uses For Product: Gaming, Business Power Supply Mounting Type: Internal Cooling Method: Air Model Name: for 5 Case Number of USB 2 Ports: 2 Color: As Shown Material: plastic Package Contents: 1 set * for 5 enclosure Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.