Features Equipped with fastening screws for easy installation and disassembly, and can be replaced at any time. The protective shell has reserved interfaces, which will not affect the use of the motherboard after installation. The heat dissipation shell has standard sizes, has strong adaptability, and a firm structure that is not easy to fall off. Made of aluminum alloy, with high overall hardness, and it is not easy to wear or corrode. The heat dissipation enclosure is suitable for Raspberry Pi Zero W and can provide comprehensive protection. Specification: Item Type: Aluminum Alloy Cooling Case Material: Aluminum alloy Colour: Black Package List: 1 x Case 1 Set Fastening Screws Package List 1 x Case 1 Set Fastening Screws