ITEM NAME:Armored box with dual fan cooling radiator kit for Raspberry Pi 3B+S Ew Description: The Armor Case is made of Aluminum Alloy with CNC machining manufacturing technology. Its cool design and good-looking are liked by makers It includes the dual fan and thermal tapes which reduce the temperature for Raspberry Pi board There are four screws for you to fix the case with Raspberry Pi board, pls follow the installation instruction. For Dual Fan: Low Power Consumption Design. Dual Cooling Expericnce, No More Overheating Problem. Very Quiet Cooling Fan, You Can Hear Even Nothing. All of the Fans were Tested by Our Engineer, Very Nice Quality Control. For Aluminium Alloy Case and Heatsink: Perfect Size for Raspberry Pi 3 Model B+ / Model B. Big Size Heatsink and Cooling Fan Can Make Sure: No More Overheating Problem. High Quality CNC Aluminium Alloy Case Can Protect your Pi Safe. Open Design Can Make Sure Our CNC Case will not effect Package Includes: 1pc Notice: Raspberry Pi is NOT Included.It includes the dual fan and thermal tapes which reduce the temperature for Raspberry Pi board. There are four screws for you to fix the case with Raspberry Pi board, pls follow the installation instruction.