Features: Unique open shell for Orange Pi 3 Lts shell, made of acrylic, you can clearly see the technology behind the machine. This fully vented case with fan designed to keep your Pi 3 as cool as possible for optimal performance. Clear transparent case with easy Installation insert PI into bottom part, connect fan and snap on top part Includes 1 preinstalled fan, easy acsses to all ports and maximum airflow The top acrylic plate can be opened upwards for more convenient use. Package Includes: 1 PC x Acrylic Case (with Fan for Optional) Specifications: Case Material: Acrylic Case Color: Clear Fan Features:DC Brushless Fit for : for Orange Pi 3 Lts Case Size: approx 96x71x35.5mm/3.78x2.79x1.40in Package Type: 1PC Acrylic Case / 1PC Acrylic Case with Fan note: 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.