Features: Protect your development board with this clear acrylic case, a sleek and stylish solution for keeping your board safe and visible. Made from quality acrylic material, this case offer durability and clear view of the motherboards. It also features reserved interfaces for easy expansion. Designed for DIYers, this case is perfect for those who want to protect and personalize their board. Whether you're using it for home automation, robotics, or media streaming, this case provides good heat dissipation and ensures your board runs efficient and has longer lifespans. All ports and slot are accurate opening; Specifications: Material:Acrylic Color:Clear Case Size:Approx.100x71x40mm/3.94x2.8x1.57in Option Type:1xCase;1x Case with Fan;1x Case with Fan and Heat Sink; Package Includes: Package A: 1x Outer Case Package B: 1x Outer Case 1xCooling Fan Package C 1x Outer Case 1xCooling Fan 1xHeat Sink note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.