Features: Crafted from high-quality aluminum alloy material, this case offer excellent durability and protections for your RaspberryPi4 mainboard. It can help effectively cool forRaspberryPi motherboardand avoid fan noise. It is also equipped with a GPIO extender for expansion board expansion, with a 2x20PinGPIO connector for GPIO expansion Compatible withRaspberryPi Zero2W/PiZeroW/PiZero Easy installation and all hardware is included Specifications: Type:Aluminum Alloy Housing Model: for RaspberryPi Zero2W/PiZeroW/PiZeroMainboard Case Color: Black Package Includes: 1 Set x Aluminum Alloy Case note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Does not include RaspberryPiZero 2W/PiZero Board