Features: The aluminum heat sink case efficient cooling with superior thermal conductivity to reduce operating temperatures and ensuring device stability during high load tasks. Provides excellent easy installation for enhanced durability and user convenience. Designed for developers, engineers, and enthusiasts using for RDK development boards, it offer protective against overheating in demanding projects. Perfect for variable environments requiring frequent assembly or prolonged operational, this development board accessory prevents failures and extends equipment life This aluminum alloy heat sink case adds modern aesthetics while maintaining high functionality. Specifications: Component:Aluminum Size:Approx.90.5x62mm/3.56x2.44inch Package Includes: 1Pc Aluminum Case note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.