Features: Multi functional use: The DIY aluminum shell PCB board housing can accommodate PCB boards of size 105x55x200mm, providing an protections and installation solution. High quality material: The shell is made of high-quality aluminum material, which has good wear resistance and corrosion resistance, protecting internal electronic components from the influence of the external environment. Convenient disassembly and assembly: The shell is reasonable, making it convenient for users to disassemble and repair, and providing flexible operating space. Moderate size: The shell size is 105x55x200mm, which is suitable for assembly and use in various DIY projects and electronic devices. Lightweight and portable: The shell is lightweight and portable, making it easy to carry and move, suitable for various scenarios and applications. PCB board installation: The internal space of the shell is spacious, making it easy to install and fix the PCB board, ensuring the stability and safety of the circuit. Specifications: Material：Aluminum Size:approx 105x55x200mm/4.13x2.16x7.87in Package Includes: 1PC Aluminum Enclosure note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. The error of manual measurement of the size is within the normal rangeof 0-2cm.