Features: This 5piece extruded aluminum PCB project box provides superior heat dissipation and robust protections for electronic circuit board, ensuring components stay within safe temperature ranges during high load operations. Featuring a split enclosure design with built in grooves for circuit board placement, sandblasted and brushed finish, multiple mounting holes for easy assembly, and lightweight yet durability aluminum construction. Ideal for enthusiasts, electronics engineers, and developers seeking reliabled, quick assembly casing for prototyping and iterative projects in demanding environments. Perfect for applications in smart home systems, communication devices, industrial controls, and automotive electronics, offering effective shielding against dust, moisture, and electromagnetic interferences. The anodized aluminum case enhances durability and aesthetics while providing excellent thermal conductivity and corrosions resistance, for enhancing device stability and reliability. Specifications: Type: circuit board aluminum shell Component: aluminum Color: black Size: 25x25x50mm/0.98x0.98x1.97in Package Includes: 5PCS circuit board aluminum shell note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution