Features: Transparent acrylic material, with clear and elegant appearance. The case perfectly fits for RPi 5 board, with precise cuts and openings for all necessary ports, connectors, and components Support installing fans on top without worrying about overheating Acrylic shell can provide a clear and safe environment, enabling to better understand and control the working principlesof the development board. Suitable for development and maker space, acrylic casing can protect the development board and make it more aesthetically pleasing and easy to maintain Specifications: for Case Material: Acrylic for Case Color: Clear Fan Features:DC Brushless Fit for : for RPI 5 for Case Size: approx 100x71x35mm/3.94x2.79x1.4in Package:A/B/C/D Optional A：Acrylic Enclosure Only B：Acrylic Case with Fan C：Acrylic Case with PWM Fan Heatsink D: Acrylic Case with Clear Fan Heatsink Package Includes: 1Set Acrylic Case Optional Package note: Note: The RPI5 board is not included Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.