Feature: 1. APPLICABLE MODEL: Motherboard passive cooling enclosure for Raspberry Pi Zero 2W and for Raspberry Pi Zero model, which has strong compatibility. 2. ALUMINUM ALLOY: The cooling shell is made of aluminum alloy material, which is corrosion resistant, fast heat conduction and good heat dissipation. 3. THERMAL COLUMN: The upper cover is designed with thermal column, thermally conductive adhesive and chip are combined to achieve overall cooling. 4. EASY TO INSTALL: With pin header, screws nuts and plastic rings, this cooling set is easy to install and provides good protection for the motherboard. 5. WITH RESERVED HOLE: The aluminum alloy cooling enclosure has reserved holes, which can easily install mainboards without affecting the use effect. Specification: Item Type: Passive Cooling Enclosure Material: Aluminum Alloy Colour: Black Applicable Models: For Raspberry Pi Zero 2W, for Raspberry Pi Zero. Package List: 2 x Shells1 x Pin Header2 x Stickers4 x Screws4 x Nuts4 x Plastic Rings Note: For Raspberry Pi board not included.