Features: Good quality ABS material, this shell provides excellent durability and protections for RPI5 boards. All ports and slots can be perfectly for RPI5 board. The shell is equipped with an active cooling fan that can be controlled by temperature and adjusted by PWM speed to form airflows impact cooling, achieving low-noise operation and extending service life. The shell not only provides good heat dissipation, but also provides additional protections for your mainboard.. Easy to install, all hardware is included. Specifications: Material: ABS Size:approx 91.5x61x33.92mm/3.6x2.4x1..34in For：RPI5 Fan Size：approx 40cm/15.75in Color： Silver Package Includes: 1PC ABS Enclosure note: Due to the problems of lighting effect and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.