Features Premium Aluminum Alloy Construction: Machine die-casting molded with fine aluminum alloy for superior durability and protection of your electronic components. Elegant Sandblast Black Oxide Finish: Oxidized treated surface in a beautiful and elegant black color, enhancing the aesthetics of your project case. Excellent Heat Dissipation and Signal Shielding: Ensures optimal performance by effectively dissipating heat and shielding signals, ideal for various electronic applications. Versatile Usage: Suitable for decoders, controllers, heat-dissipating aluminum casing, printed circuit board wiring, thunder protection, and DIY projects. Strong and Protective Design: The 1.25~1.5mm thick flap provides robust protection for your printed circuit board and electronic components. Specification: Item Type:Enclosure Color:Sandblasted Oxidized Black Material:Aluminum Alloy Size:48 x 204 x 160mm / 1.89 x 8.03 x 6.3in Flap Thickness:1.25~1.5mm Package List: 2 x Shell 2 x Baffle 1 set of Screws Package List 2 x Shell 2 x Baffle 1 set of Screws