Features Protective Case: Compact in size and light in weight, providing complete protection and efficient cooling without affecting the operation. Quick Cooling: This housing made of aluminium alloy and plastic materials has great thermal conductivity, suits for Raspberry Pi Zero 2W. With Heatsink: The built in heat sink is in close contact with the on board for Raspberry Pi chip, so there is no more overheating problem. Durable Using: Advanced manufacturing process has improved the quality of aluminium alloy, thus this durable casing is not easy to rust. Easy to Install: Accessories such as pin header, screw, nut are also included in the set to largely simplify the whole installation. Specification: Item Type: Protective Case Material: Aluminium alloy, plastic.  Applicable Model: For Raspberry Pi zero 2W Package List: 2 x Shell 1 x Pin Header 2 x Sticker 4 x Screw 4 x Nut 4 x Plastic Ring Note: Product does not include for Raspberry Pi zero 2 W or for Raspberry Pi Zero. Package List 2 x Shell 1 x Pin Header 2 x Sticker 4 x Screw 4 x Nut 4 x Plastic Ring