Item Type: Enclosure for Raspberry Pi_x000D_ Material: Aluminum alloy_x000D_ Application: Suitable for Raspberry 4 B Model_x000D_ Product Size: Approx. 87 x 56 x 25mm / 3.4 x 2.2 x 1in 1The cooling enclosure has a reasonable structure, with large heat dissipation area and good cooling effect. 2Made of aluminum alloy material, wear and corrosion resistant, and not easily deformed for a long time. 3The heat dissipation enclosure is suitable for Raspberry Pi 4 B Model, with suitable ports and slots. 4With reasonable holes design, can be perfectly matched with the for Raspberry Pi without affecting the use. 5Equipped with fasteners such as screws and wrench, easy to install and disassemble, the structure is stable and not easy to fall apart.2 x Enclosures 4 x Stickers 4 x Screws 1 x Wrench