Features： 1、INCLUDED PARTS: Passive cooling shell kit, including aluminum alloy upper shell, acrylic bottom shell and pin headers, etc., easy to install and use. 2、APPLICABLE MODEL: This cooling case kit is suitable for Raspberry Pi Zero 2W motherboard, with standard size and good compatibility. 3、SIMPLE STRUCTURE: Open type chassis design, no need to worry about affecting the WiFi signal, has good heat dissipation and less interference. 4、DURABLE MATERIAL: Made of aluminum alloy and acrylic materials, light in weight, with good cooling effect, not easy to deform or corrode. 5、EASY INSTALLATION: Ultra thin design for fast heat dissipation, and equipped with pin header and screws, easy to install and disassemble. Specification： Item Type: Passive Cooling Housing Product Material: Aluminum Alloy + Acrylic Colour: Black Applicable: For Raspberry Pi Zero 2W Package List： 1 x Aluminum Alloy Upper Shell 1 x Acrylic Bottom Shell 1 x Bent Pin Header 1 x Soft Film 4 x Screws