Features Fast Heat Dissipation: The shell straight/curved pin header is an open case design, no need to worry about affecting the WiFi signal, good heat dissipation, and less interference. Aluminum Alloy + Acrylic Material: Passive cooling housing is made of selected aluminum alloy + acrylic material, which has the characteristics of light weight, good cooling effect and not easy to deform. Equipped with Pin Headers and Screws: Cooling housing accessories are ultra-thin design for quick heat dissipation, and are equipped with pin headers and screws for easy installation and removal. Included Parts: The passive cooling housing kit includes an aluminum alloy upper case, an acrylic bottom case, and pin headers, which are easy to install and use. Applicable Models: This heat sink kit is compatible with Raspberry Pi 2W mainboard, with standard size and good compatibility, which can meet the basic needs. 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 Straight Pin Header 1 x Soft Film 4 x Screws or 1 x Aluminum Alloy Upper Shell 1 x Acrylic Bottom Shell 1 x Bent Pin Header 1 x Soft Film 4 x Screws Note: For Raspberry Pi Zero 2W board, expansion board, chassis or power supply are not included in the package. 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