Features: Unique open shell cover for Banana Pi M2 Berry development board, made of acrylic, you can clearly see the technology behind the machine. This fully vented case with fan designed to keep yourPi M2 Berry as cool as possible for optimal performance. Clear transparent for case with easy Installation insert Pi M2 Berry into bottom part, connect fan and snap on top part Easy acsses to all ports and maximum airflow The top acrylic plate can be opened upwards for more convenient use. Specifications: for Case Material: Acrylic for Case Color: Clear Fan Features:DC Brushless Fit for : for Banana Pi M2 Berry for Case Size: approx 92x62x32mm/3.62x2.44x1.26in Package Type: 1PC Acrylic Case/ 1PC Acrylic Case with Cooling Fan Package Includes: 1Set Acrylic Case note: BananaPi M2 Berry 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.