Features: Transparent acrylic material, with clear and elegant appearance. (Please remove the film from the acrylic before use) For Orange Pi 4 LTS precision cutting, perfect for motherboard Support installing fans on top without worrying about overheating Acrylic shell can provide a clear and safe environment, enabling to better understand and master the working principlesof the development board. Suitable for personal project 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 Orange Pi 4 LTS for Case Size: approx 103x71x35.5mm/4.05x2.79x1.4in Package Includes: 1PC x Acrylic case 1PC x Scews pack 1PC x Cooling Fan 5Pcs x Heatsinks (not include OrangePi) note: Note: OrangePi 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.