Feature: 1. The enclosure is suitable for Raspberry Pi 4 B Model, with suitable size and strong adaptability. 2. The protective shell is made of aluminum alloy, which is hard and wear resistant, not easy to corrode or deform. 3. The enclosure has a large heat dissipation area, which can make the product better maintain long term operation. 4. With reasonable opening design, can be perfectly matched with the for Raspberry Pi without affecting the use. 5. The protective shell has a glossy appearance and is equipped with mounting fasteners, so the structure is firm. Specification: Item Type: Enclosure for Raspberry Pi Material: Aluminum alloy Application: Suitable for Raspberry 4 B Model Product Size: Approx. 87 x 56 x 25mm / 3.4 x 2.2 x 1in Fan Voltage: DC 5V. Package List: 2 x Enclosures4 x Stickers12 x Screws1 x Wrench1 x Fan Set