Features Well-Made: Heavy-duty extruded aluminum construction with professional sandblasted/matte anodized finish for a beautifully oxidized finish. Fast Heat Dissipation: The aluminum heat dissipation box can dissipate heat quickly and prevent the internal printed circuit board from burning out. Not Easy to Burn Out: The aluminum heat sink can dissipate heat quickly and prevent the internal printed circuit board from burning out. Stable Structure: Professional design, compact structure, easy to use, not easy to damage. Wide Range of Applications: The aluminum project box can be used in decoders, controllers, electronic products, heat dissipation aluminum shells, printed circuit board junction aluminum boxes, lightning protection aluminum shells, DIY, etc. Specification:Item Type: Aluminum Project BoxColor: Matte Black Material: 6063-T5 industrial extruded aluminum alloy profile Size: Approx. 27 x 66 x 100mm / 1.1 x 2.6 x 3.9in Aluminum Box Thickness: 1.25-1.5mm Product Structure: Integrated Product Use: Can be used for heat dissipation aluminum shell of electronic products, PCB junction aluminum box, anti-thunder protection aluminum case, DIY, etc. Package List:1 x Shell2 x Baffle 1 Pack of Screw Package List 1 x Shell 2 x Baffle 1 Pack of Screw