ITEM NAME:Aluminum Alloy Enclosure Case Cover Metal Shell Suitable for Raspberry Pi 4B+ Product Description Description: Feature: 1. Ultra thin design, smooth and flat aluminum, fast heat dissipation. 2. Passive cooling structure design - can achieve radiator support, radiator CPU and memory. 3. Machining accuracy of CNC machine tool, accurate process and hole position, sand blasting and anodizing process. 4. All ports and slots in the enclosure are perfect for Raspberry Pi 4 model B. 5. Open shell design, you don't need to worry about it will affect WiFi signal again. 6. Reinforced aluminum material, light and durable, durable stainless steel. Specification: Color: Black Material: aluminum alloy Product size: about 87 * 56 * 18mm/3.42*2.2*0.7'' Package weight: 120g Note: only the shell is included, other products are not included. Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X Enclosure Case Metal Shell 1 X Screwdriver 1 X Screws.All ports and slots in the enclosure are perfect for Raspberry Pi 4 model B. Material: aluminum alloy. Open shell design, you don't need to worry about it will affect WiFi signal again. Machining accuracy of CNC machine tool, accurate process and hole position, sand blasting and anodizing process.