<b>Description:</b><br>This armor shell is an upgraded product based on the original armor shell. <br> It not only supports the latest Raspberry Pi 4 Model B. It adds dual fan stability to the design. <br> The noise of the double fan is reduced, so that the armor shell not only protects your pi well, but also dissipates heat in time to ensure the normal operation of the system. <br> The outer casing is machined by CNC, which is very delicate and beautiful. It is the best choice for your Raspberry Pi <br><br><b>Features：</b><br>Easy to setup<br> Super Quiet Dual Fan<br>Ultimate Cooling<br>Aluminum Alloy<br>CNC Machining<br> <br><b>Package includes：</b><br> 1 x Armor case with dual fan<br> 1 x Instructions<br> 1 x Allen wrench<br> 4 x M2.5 Hexagon socket head screw<br> 3 x Thermal Tape<br>