1、The enclosure is suitable for Raspberry Pi 4 Model, which can fully protect the motherboard from damage. 2、The protective shell is made of aluminum alloy, which is light and corrosion resistant, and is not easy to wear or deform. 3、There are evenly distributed small holes on the shell, which can effectively dissipate heat and ensure long term stable operation. 4、Equipped with screwdriver and fastening screws, easy to install and remove, and can be replaced at any time. 5、The enclosure has openings, which will not affect the operation when installed on the for Raspberry Pi. 4 x Cooling Shell9 x Fastening Screws1 x Screwdriver Item Type: Enclosure for Raspberry PiMaterial: Aluminum alloyColour: Black